1232131403412 has 144 divisors (see below), whose sum is σ = 3922444606080. Its totient is φ = 317400539904.

The previous prime is 1232131403411. The next prime is 1232131403473. The reversal of 1232131403412 is 2143041312321.

1232131403412 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 1 + 314 + 0 + 341 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232131403411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4232487 + ... + 4514222.

Almost surely, 2^{1232131403412} is an apocalyptic number.

1232131403412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1232131403412 is an abundant number, since it is smaller than the sum of its proper divisors (2690313202668).

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

1232131403412 is a wasteful number, since it uses less digits than its factorization.

1232131403412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8746782 (or 8746777 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1232131403412 its reverse (2143041312321), we get a palindrome (3375172715733).

The spelling of 1232131403412 in words is "one trillion, two hundred thirty-two billion, one hundred thirty-one million, four hundred three thousand, four hundred twelve".