912001211012 has 12 divisors (see below), whose sum is σ = 1596138880140. Its totient is φ = 455961530976.

The previous prime is 912001210999. The next prime is 912001211021. The reversal of 912001211012 is 210112100219.

It can be written as a sum of positive squares in 2 ways, for example, as 658019481856 + 253981729156 = 811184^2 + 503966^2 .

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, 9716087 + ... + 9809502.

It is an arithmetic number, because the mean of its divisors is an integer number (133011573345).

Almost surely, 2^912001211012 is an apocalyptic number.

It is an amenable number.

912001211012 is a deficient number, since it is larger than the sum of its proper divisors (684137669128).

912001211012 is a wasteful number, since it uses less digits than its factorization.

912001211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19537270 (or 19537268 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 912001211012 in words is "nine hundred twelve billion, one million, two hundred eleven thousand, twelve".