1231140011700 has 72 divisors (see below), whose sum is σ = 3563735066080. Its totient is φ = 328153161600.

The previous prime is 1231140011669. The next prime is 1231140011729. The reversal of 1231140011700 is 71100411321.

It is a super-2 number, since 2×1231140011700² (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 23 ways as a sum of consecutive naturals, for example, 287971 + ... + 1595370.

Almost surely, 2^{1231140011700} is an apocalyptic number.

1231140011700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1231140011700 is an abundant number, since it is smaller than the sum of its proper divisors (2332595054380).

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

1231140011700 is a wasteful number, since it uses less digits than its factorization.

1231140011700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885537 (or 1885530 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 21.

The spelling of 1231140011700 in words is "one trillion, two hundred thirty-one billion, one hundred forty million, eleven thousand, seven hundred".