213201121232 has 20 divisors (see below), whose sum is σ = 450629642976. Its totient is φ = 96909600480.

The previous prime is 213201121169. The next prime is 213201121247. The reversal of 213201121232 is 232121102312.

It is a super-2 number, since 2×213201121232² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605684828 + ... + 605685179.

Almost surely, 2^213201121232 is an apocalyptic number.

213201121232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213201121232 is an abundant number, since it is smaller than the sum of its proper divisors (237428521744).

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

213201121232 is a wasteful number, since it uses less digits than its factorization.

213201121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211370026 (or 1211370020 counting only the distinct ones).

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

Adding to 213201121232 its reverse (232121102312), we get a palindrome (445322223544).

It can be divided in two parts, 213201 and 121232, that added together give a palindrome (334433).

The spelling of 213201121232 in words is "two hundred thirteen billion, two hundred one million, one hundred twenty-one thousand, two hundred thirty-two".