213023132212 has 12 divisors (see below), whose sum is σ = 406680525216. Its totient is φ = 96828696440.

The previous prime is 213023132197. The next prime is 213023132213. The reversal of 213023132212 is 212231320312.

It is a super-2 number, since 2×213023132212² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213023132213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2420717368 + ... + 2420717455.

It is an arithmetic number, because the mean of its divisors is an integer number (33890043768).

Almost surely, 2^213023132212 is an apocalyptic number.

213023132212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213023132212 is a deficient number, since it is larger than the sum of its proper divisors (193657393004).

213023132212 is a wasteful number, since it uses less digits than its factorization.

213023132212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841434838 (or 4841434836 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 213023132212 its reverse (212231320312), we get a palindrome (425254452524).

The spelling of 213023132212 in words is "two hundred thirteen billion, twenty-three million, one hundred thirty-two thousand, two hundred twelve".