1232012431872 has 240 divisors, whose sum is σ = 3755746545408. Its totient is φ = 388179025920.

The previous prime is 1232012431753. The next prime is 1232012431889. The reversal of 1232012431872 is 2781342102321.

1232012431872 is a `hidden beast` number, since 1 + 2 + 320 + 12 + 4 + 318 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6042178 + ... + 6242750.

Almost surely, 2^{1232012431872} is an apocalyptic number.

1232012431872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232012431872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1877873272704).

1232012431872 is an abundant number, since it is smaller than the sum of its proper divisors (2523734113536).

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

1232012431872 is a wasteful number, since it uses less digits than its factorization.

1232012431872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200671 (or 200652 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 1232012431872 in words is "one trillion, two hundred thirty-two billion, twelve million, four hundred thirty-one thousand, eight hundred seventy-two".