1232439542412 has 192 divisors, whose sum is σ = 3186366543360. Its totient is φ = 368434243584.

The previous prime is 1232439542317. The next prime is 1232439542417. The reversal of 1232439542412 is 2142459342321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1232439542417) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 434415058 + ... + 434417894.

It is an arithmetic number, because the mean of its divisors is an integer number (16595659080).

Almost surely, 2^{1232439542412} is an apocalyptic number.

1232439542412 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 1232439542412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1593183271680).

1232439542412 is an abundant number, since it is smaller than the sum of its proper divisors (1953927000948).

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

1232439542412 is a wasteful number, since it uses less digits than its factorization.

1232439542412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480 (or 3478 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The spelling of 1232439542412 in words is "one trillion, two hundred thirty-two billion, four hundred thirty-nine million, five hundred forty-two thousand, four hundred twelve".