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102120130331212 = 227227233461149579
BaseRepresentation
bin10111001110000010110010…
…000101111100001001001100
3111101120120220110120111120011
4113032002302011330021030
5101341114011331044322
61001105201253403004
730336636012463150
oct2716026205741114
9441516813514504
10102120130331212
112a5a19a433a924
12b553695039464
1344c9b6b897b26
141b308d8053060
15bc15a3de9677
hex5ce0b217c24c

102120130331212 has 96 divisors (see below), whose sum is σ = 206468705963520. Its totient is φ = 43291558801920.

The previous prime is 102120130331147. The next prime is 102120130331311. The reversal of 102120130331212 is 212133031021201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 682642239 + ... + 682791817.

It is an arithmetic number, because the mean of its divisors is an integer number (2150715687120).

Almost surely, 2102120130331212 is an apocalyptic number.

It is an amenable number.

102120130331212 is an abundant number, since it is smaller than the sum of its proper divisors (104348575632308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102120130331212 is a wasteful number, since it uses less digits than its factorization.

102120130331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150511 (or 150509 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 102120130331212 its reverse (212133031021201), we get a palindrome (314253161352413).

The spelling of 102120130331212 in words is "one hundred two trillion, one hundred twenty billion, one hundred thirty million, three hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 227 233 454 461 466 908 922 932 1589 1631 1844 3178 3227 3262 6356 6454 6524 12908 52891 104647 105782 107413 149579 209294 211564 214826 299158 370237 418588 429652 598316 732529 740474 751891 1047053 1465058 1480948 1503782 2094106 2930116 3007564 4188212 24382751 33954433 34851907 48765502 67908866 68955919 69703814 97531004 135817732 137911838 139407628 170679257 237681031 243963349 275823676 341358514 475362062 482691433 487926698 682717028 950724124 965382866 975853396 1930765732 7911382889 15652993613 15822765778 16066729127 31305987226 31645531556 32133458254 55379680223 62611974452 64266916508 109570955291 110759360446 112467103889 219141910582 221518720892 224934207778 438283821164 449868415556 3647147511829 7294295023658 14588590047316 25530032582803 51060065165606 102120130331212