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102102010012122 = 23192371443545057
BaseRepresentation
bin10111001101110001111010…
…000010011010000111011010
3111101111212010121222220202220
4113031301322002122013122
5101340314404030341442
61001053003232204510
730335424663350421
oct2715617202320732
9441455117886686
10102102010012122
112a5952459489aa
12b550078699736
1344c824175b323
141b2da996662b8
15bc0d931c5eec
hex5cdc7a09a1da

102102010012122 has 64 divisors (see below), whose sum is σ = 224300872811520. Its totient is φ = 30840393475584.

The previous prime is 102102010012069. The next prime is 102102010012129. The reversal of 102102010012122 is 221210010201201.

It is a super-2 number, since 2×1021020100121222 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102102010012129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187051018 + ... + 187596074.

It is an arithmetic number, because the mean of its divisors is an integer number (3504701137680).

Almost surely, 2102102010012122 is an apocalyptic number.

102102010012122 is an abundant number, since it is smaller than the sum of its proper divisors (122198862799398).

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

102102010012122 is a wasteful number, since it uses less digits than its factorization.

102102010012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616547.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102102010012122 its reverse (221210010201201), we get a palindrome (323312020213323).

The spelling of 102102010012122 in words is "one hundred two trillion, one hundred two billion, ten million, twelve thousand, one hundred twenty-two".

Divisors: 1 2 3 6 19 23 38 46 57 69 114 138 437 874 1311 2622 71443 142886 214329 428658 545057 1090114 1357417 1635171 1643189 2714834 3270342 3286378 4072251 4929567 8144502 9859134 10356083 12536311 20712166 25072622 31068249 31220591 37608933 62136498 62441182 75217866 93661773 187323546 238189909 476379818 714569727 1429139454 38940507251 77881014502 116821521753 233643043506 739869637769 895631666773 1479739275538 1791263333546 2219608913307 2686895000319 4439217826614 5373790000638 17017001668687 34034003337374 51051005006061 102102010012122