131212321202232 has 48 divisors (see below), whose sum is σ = 355524574287480. Its totient is φ = 43718010120000.

The previous prime is 131212321202173. The next prime is 131212321202257. The reversal of 131212321202232 is 232202123212131.

131212321202232 is a `hidden beast` number, since 1 + 3 + 1 + 212 + 3 + 212 + 0 + 2 + 232 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 131212321202196 and 131212321202205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404634319 + ... + 404958462.

Almost surely, 2^{131212321202232} is an apocalyptic number.

131212321202232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131212321202232 is an abundant number, since it is smaller than the sum of its proper divisors (224312253085248).

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

131212321202232 is a wasteful number, since it uses less digits than its factorization.

131212321202232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809595044 (or 809595037 counting only the distinct ones).

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

Adding to 131212321202232 its reverse (232202123212131), we get a palindrome (363414444414363).

The spelling of 131212321202232 in words is "one hundred thirty-one trillion, two hundred twelve billion, three hundred twenty-one million, two hundred two thousand, two hundred thirty-two".