1210120311120 has 120 divisors (see below), whose sum is σ = 4363842062304. Its totient is φ = 276598925568.

The previous prime is 1210120310999. The next prime is 1210120311157. The reversal of 1210120311120 is 211130210121.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1210120311120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51438934 + ... + 51462453.

Almost surely, 2^{1210120311120} is an apocalyptic number.

1210120311120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210120311120 is an abundant number, since it is smaller than the sum of its proper divisors (3153721751184).

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

1210120311120 is a wasteful number, since it uses less digits than its factorization.

1210120311120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102901417 (or 102901404 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1210120311120 its reverse (211130210121), we get a palindrome (1421250521241).

The spelling of 1210120311120 in words is "one trillion, two hundred ten billion, one hundred twenty million, three hundred eleven thousand, one hundred twenty".