1312120000120 has 32 divisors (see below), whose sum is σ = 2952347191920. Its totient is φ = 524834277120.

The previous prime is 1312120000099. The next prime is 1312120000199. The reversal of 1312120000120 is 210000212131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312120000120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196140 + ... + 2013700.

Almost surely, 2^{1312120000120} is an apocalyptic number.

1312120000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312120000120 is an abundant number, since it is smaller than the sum of its proper divisors (1640227191800).

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

1312120000120 is a wasteful number, since it uses less digits than its factorization.

1312120000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857695 (or 857691 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1312120000120 its reverse (210000212131), we get a palindrome (1522120212251).

The spelling of 1312120000120 in words is "one trillion, three hundred twelve billion, one hundred twenty million, one hundred twenty", and thus it is an aban number.