1340987316972 has 12 divisors (see below), whose sum is σ = 3128970406296. Its totient is φ = 446995772320.

The previous prime is 1340987316959. The next prime is 1340987317013. The reversal of 1340987316972 is 2796137890431.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 55874471529 + ... + 55874471552.

It is an arithmetic number, because the mean of its divisors is an integer number (260747533858).

Almost surely, 2^{1340987316972} is an apocalyptic number.

1340987316972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340987316972 is an abundant number, since it is smaller than the sum of its proper divisors (1787983089324).

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

1340987316972 is a wasteful number, since it uses less digits than its factorization.

1340987316972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111748943088 (or 111748943086 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 1340987316972 in words is "one trillion, three hundred forty billion, nine hundred eighty-seven million, three hundred sixteen thousand, nine hundred seventy-two".