12131000010 has 48 divisors (see below), whose sum is σ = 31621772520. Its totient is φ = 3226608000.

The previous prime is 12130999981. The next prime is 12131000069. The reversal of 12131000010 is 1000013121.

It can be written as a sum of positive squares in 4 ways, for example, as 10062296721 + 2068703289 = 100311^2 + 45483^2 .

It is a super-2 number, since 2×12131000010² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12130999956 and 12131000001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138241 + ... + 208260.

Almost surely, 2^12131000010 is an apocalyptic number.

12131000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131000010 is an abundant number, since it is smaller than the sum of its proper divisors (19490772510).

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

12131000010 is a wasteful number, since it uses less digits than its factorization.

12131000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346903 (or 346900 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 12131000010 its reverse (1000013121), we get a palindrome (13131013131).

The spelling of 12131000010 in words is "twelve billion, one hundred thirty-one million, ten", and thus it is an aban number.