1232147649792 has 72 divisors (see below), whose sum is σ = 3341183507424. Its totient is φ = 402966513664.

The previous prime is 1232147649791. The next prime is 1232147649809. The reversal of 1232147649792 is 2979467412321.

It is a super-3 number, since 3×1232147649792³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232147649791) by changing a digit.

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, 15094758 + ... + 15176165.

It is an arithmetic number, because the mean of its divisors is an integer number (46405326492).

Almost surely, 2^{1232147649792} is an apocalyptic number.

1232147649792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1232147649792 is an abundant number, since it is smaller than the sum of its proper divisors (2109035857632).

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

1232147649792 is an equidigital number, since it uses as much as digits as its factorization.

1232147649792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30270995 (or 30270981 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 57.

The spelling of 1232147649792 in words is "one trillion, two hundred thirty-two billion, one hundred forty-seven million, six hundred forty-nine thousand, seven hundred ninety-two".