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12102111032 = 2311396734667
BaseRepresentation
bin10110100010101011…
…11000111100111000
31011020102020221100112
423101111320330320
5144241120023112
65320514123452
7605621150354
oct132125707470
934212227315
1012102111032
115150365160
122418b80588
1311ab36715b
1482b3dc464
154ac6e0a22
hex2d1578f38

12102111032 has 32 divisors (see below), whose sum is σ = 24761272320. Its totient is φ = 5499414240.

The previous prime is 12102111023. The next prime is 12102111067. The reversal of 12102111032 is 23011120121.

It is a super-2 number, since 2×121021110322 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12102110998 and 12102111016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331763 + ... + 366429.

It is an arithmetic number, because the mean of its divisors is an integer number (773789760).

Almost surely, 212102111032 is an apocalyptic number.

It is an amenable number.

12102111032 is an abundant number, since it is smaller than the sum of its proper divisors (12659161288).

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

12102111032 is a wasteful number, since it uses less digits than its factorization.

12102111032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38651 (or 38647 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12102111032 its reverse (23011120121), we get a palindrome (35113231153).

The spelling of 12102111032 in words is "twelve billion, one hundred two million, one hundred eleven thousand, thirty-two".

Divisors: 1 2 4 8 11 22 44 88 3967 7934 15868 31736 34667 43637 69334 87274 138668 174548 277336 349096 381337 762674 1525348 3050696 137523989 275047978 550095956 1100191912 1512763879 3025527758 6051055516 12102111032