1321158414200 has 48 divisors (see below), whose sum is σ = 3081507175680. Its totient is φ = 526774959360.

The previous prime is 1321158414181. The next prime is 1321158414211. The reversal of 1321158414200 is 24148511231.

It is a super-2 number, since 2×1321158414200² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10489784 + ... + 10614983.

It is an arithmetic number, because the mean of its divisors is an integer number (64198066160).

Almost surely, 2^{1321158414200} is an apocalyptic number.

1321158414200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321158414200 is an abundant number, since it is smaller than the sum of its proper divisors (1760348761480).

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

1321158414200 is a wasteful number, since it uses less digits than its factorization.

1321158414200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21105096 (or 21105087 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 1321158414200 in words is "one trillion, three hundred twenty-one billion, one hundred fifty-eight million, four hundred fourteen thousand, two hundred".