2131010012 has 24 divisors (see below), whose sum is σ = 3762258192. Its totient is φ = 1056099200.

The previous prime is 2131009997. The next prime is 2131010023. The reversal of 2131010012 is 2100101312.

It is a junction number, because it is equal to n+sod(n) for n = 2131009975 and 2131010002.

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, 554048 + ... + 557880.

It is an arithmetic number, because the mean of its divisors is an integer number (156760758).

Almost surely, 2^2131010012 is an apocalyptic number.

It is an amenable number.

2131010012 is a deficient number, since it is larger than the sum of its proper divisors (1631248180).

2131010012 is a wasteful number, since it uses less digits than its factorization.

2131010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5029 (or 5027 counting only the distinct ones).

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

The square root of 2131010012 is about 46162.8639926077. The cubic root of 2131010012 is about 1286.8516884574.

Adding to 2131010012 its reverse (2100101312), we get a palindrome (4231111324).

The spelling of 2131010012 in words is "two billion, one hundred thirty-one million, ten thousand, twelve".