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12102112102 = 210358748117
BaseRepresentation
bin10110100010101011…
…11001001101100110
31011020102020222211011
423101111321031212
5144241120041402
65320514132434
7605621153443
oct132125711546
934212228734
1012102112102
115150365a43
122418b8111a
1311ab3677a2
1482b3dc9ca
154ac6e0ed7
hex2d1579366

12102112102 has 8 divisors (see below), whose sum is σ = 18329412816. Its totient is φ = 5992307832.

The previous prime is 12102112069. The next prime is 12102112151. The reversal of 12102112102 is 20121120121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121021121022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29373853 + ... + 29374264.

It is an arithmetic number, because the mean of its divisors is an integer number (2291176602).

Almost surely, 212102112102 is an apocalyptic number.

12102112102 is a deficient number, since it is larger than the sum of its proper divisors (6227300714).

12102112102 is a wasteful number, since it uses less digits than its factorization.

12102112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58748222.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12102112102 its reverse (20121120121), we get a palindrome (32223232223).

The spelling of 12102112102 in words is "twelve billion, one hundred two million, one hundred twelve thousand, one hundred two".

Divisors: 1 2 103 206 58748117 117496234 6051056051 12102112102