1612356331240 has 32 divisors (see below), whose sum is σ = 3629345045760. Its totient is φ = 644668168000.

The previous prime is 1612356331181. The next prime is 1612356331319. The reversal of 1612356331240 is 421336532161.

It is a self number, because there is not a number n which added to its sum of digits gives 1612356331240.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8478676 + ... + 8666755.

It is an arithmetic number, because the mean of its divisors is an integer number (113417032680).

Almost surely, 2^{1612356331240} is an apocalyptic number.

1612356331240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1612356331240 is an abundant number, since it is smaller than the sum of its proper divisors (2016988714520).

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

1612356331240 is a wasteful number, since it uses less digits than its factorization.

1612356331240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17147793 (or 17147789 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 1612356331240 in words is "one trillion, six hundred twelve billion, three hundred fifty-six million, three hundred thirty-one thousand, two hundred forty".