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102211010201212 = 2211210111171871879
BaseRepresentation
bin10111001111010111011010…
…111101001000011001111100
3111101220021111001002020102021
4113033113122331020121330
5101344111122102414322
61001215031224405524
730346334054565313
oct2717273275103174
9441807431066367
10102211010201212
112a62749a694300
12b5692186168a4
1345055c2a86133
141b35079b4b27a
15bc3b226284c7
hex5cf5daf4867c

102211010201212 has 72 divisors (see below), whose sum is σ = 198732849850080. Its totient is φ = 45958348656000.

The previous prime is 102211010201159. The next prime is 102211010201213. The reversal of 102211010201212 is 212102010112201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211010201213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53667489 + ... + 55539367.

It is an arithmetic number, because the mean of its divisors is an integer number (2760178470140).

Almost surely, 2102211010201212 is an apocalyptic number.

It is an amenable number.

102211010201212 is a deficient number, since it is larger than the sum of its proper divisors (96521839648868).

102211010201212 is a wasteful number, since it uses less digits than its factorization.

102211010201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873123 (or 1873110 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102211010201212 its reverse (212102010112201), we get a palindrome (314313020313413).

The spelling of 102211010201212 in words is "one hundred two trillion, two hundred eleven billion, ten million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 101 121 202 242 404 484 1111 1117 2222 2234 4444 4468 12221 12287 24442 24574 48884 49148 112817 135157 225634 270314 451268 540628 1240987 1871879 2481974 3743758 4963948 7487516 13650857 20590669 27301714 41181338 54603428 82362676 189059779 226497359 378119558 452994718 756239116 905989436 2079657569 2090888843 4159315138 4181777686 8318630276 8363555372 22876233259 22999777273 45752466518 45999554546 91504933036 91999109092 211179773143 252997550003 422359546286 505995100006 844719092572 1011990200012 2322977504573 4645955009146 9291910018292 25552752550303 51105505100606 102211010201212