212331131232 has 96 divisors (see below), whose sum is σ = 612066357504. Its totient is φ = 63916608000.

The previous prime is 212331131219. The next prime is 212331131279. The reversal of 212331131232 is 232131133212.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506343 + ... + 825254.

It is an arithmetic number, because the mean of its divisors is an integer number (6375691224).

Almost surely, 2^212331131232 is an apocalyptic number.

212331131232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212331131232 is an abundant number, since it is smaller than the sum of its proper divisors (399735226272).

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

212331131232 is a wasteful number, since it uses less digits than its factorization.

212331131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331772 (or 1331764 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

Adding to 212331131232 its reverse (232131133212), we get a palindrome (444462264444).

The spelling of 212331131232 in words is "two hundred twelve billion, three hundred thirty-one million, one hundred thirty-one thousand, two hundred thirty-two".