1210021120964 has 36 divisors (see below), whose sum is σ = 2271836537040. Its totient is φ = 562353311520.

The previous prime is 1210021120963. The next prime is 1210021120993. The reversal of 1210021120964 is 4690211200121.

It is a super-2 number, since 2×1210021120964² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1210021120963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2620502 + ... + 3047469.

Almost surely, 2^{1210021120964} is an apocalyptic number.

It is an amenable number.

1210021120964 is a deficient number, since it is larger than the sum of its proper divisors (1061815416076).

1210021120964 is a wasteful number, since it uses less digits than its factorization.

1210021120964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668100 (or 5668045 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 1210021120964 in words is "one trillion, two hundred ten billion, twenty-one million, one hundred twenty thousand, nine hundred sixty-four".