1200944258612 has 24 divisors (see below), whose sum is σ = 2402142919680. Its totient is φ = 514635881760.

The previous prime is 1200944258599. The next prime is 1200944258651. The reversal of 1200944258612 is 2168524490021.

It is a super-2 number, since 2×1200944258612² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2001812 + ... + 2531627.

It is an arithmetic number, because the mean of its divisors is an integer number (100089288320).

Almost surely, 2^{1200944258612} is an apocalyptic number.

It is an amenable number.

1200944258612 is an abundant number, since it is smaller than the sum of its proper divisors (1201198661068).

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

1200944258612 is a wasteful number, since it uses less digits than its factorization.

1200944258612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4542911 (or 4542909 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 1200944258612 in words is "one trillion, two hundred billion, nine hundred forty-four million, two hundred fifty-eight thousand, six hundred twelve".