1210105042012 has 96 divisors (see below), whose sum is σ = 2240839157760. Its totient is φ = 571126982400.

The previous prime is 1210105042009. The next prime is 1210105042021. The reversal of 1210105042012 is 2102405010121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 620247637 + ... + 620249587.

It is an arithmetic number, because the mean of its divisors is an integer number (23342074560).

Almost surely, 2^{1210105042012} is an apocalyptic number.

It is an amenable number.

1210105042012 is a deficient number, since it is larger than the sum of its proper divisors (1030734115748).

1210105042012 is a wasteful number, since it uses less digits than its factorization.

1210105042012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891 (or 2889 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The spelling of 1210105042012 in words is "one trillion, two hundred ten billion, one hundred five million, forty-two thousand, twelve".