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12131000102 = 2131373405671
BaseRepresentation
bin10110100110001000…
…00101111100100110
31011022102121122201002
423103010011330212
5144321014000402
65323425233302
7606421541144
oct132304057446
934272548632
1012131000102
1151656a6a21
122426792832
1311b4340590
1483119c594
154aeeea602
hex2d3105f26

12131000102 has 16 divisors (see below), whose sum is σ = 19739274912. Its totient is φ = 5558053440.

The previous prime is 12131000093. The next prime is 12131000117. The reversal of 12131000102 is 20100013121.

It is a super-2 number, since 2×121310001022 (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 7 ways as a sum of consecutive naturals, for example, 1699274 + ... + 1706397.

It is an arithmetic number, because the mean of its divisors is an integer number (1233704682).

Almost surely, 212131000102 is an apocalyptic number.

12131000102 is a deficient number, since it is larger than the sum of its proper divisors (7608274810).

12131000102 is a wasteful number, since it uses less digits than its factorization.

12131000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405823.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12131000102 its reverse (20100013121), we get a palindrome (32231013223).

The spelling of 12131000102 in words is "twelve billion, one hundred thirty-one million, one hundred two", and thus it is an aban number.

Divisors: 1 2 13 26 137 274 1781 3562 3405671 6811342 44273723 88547446 466576927 933153854 6065500051 12131000102