232021211312 has 120 divisors (see below), whose sum is σ = 504791753760. Its totient is φ = 103197952000.

The previous prime is 232021211287. The next prime is 232021211353. The reversal of 232021211312 is 213112120232.

It is a super-2 number, since 2×232021211312² (a number of 24 digits) contains 22 as substring.

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, 41142989 + ... + 41148627.

It is an arithmetic number, because the mean of its divisors is an integer number (4206597948).

Almost surely, 2^232021211312 is an apocalyptic number.

232021211312 is a gapful number since it is divisible by the number (22) 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 232021211312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252395876880).

232021211312 is an abundant number, since it is smaller than the sum of its proper divisors (272770542448).

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

232021211312 is a wasteful number, since it uses less digits than its factorization.

232021211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6123 (or 6106 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 232021211312 its reverse (213112120232), we get a palindrome (445133331544).

The spelling of 232021211312 in words is "two hundred thirty-two billion, twenty-one million, two hundred eleven thousand, three hundred twelve".