211332310212 has 24 divisors (see below), whose sum is σ = 493765347712. Its totient is φ = 70350300000.

The previous prime is 211332310201. The next prime is 211332310219. The reversal of 211332310212 is 212013233112.

It is a super-2 number, since 2×211332310212² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211332310219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11716039 + ... + 11734062.

Almost surely, 2^211332310212 is an apocalyptic number.

It is an amenable number.

211332310212 is an abundant number, since it is smaller than the sum of its proper divisors (282433037500).

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

211332310212 is a wasteful number, since it uses less digits than its factorization.

211332310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23450859 (or 23450857 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211332310212 its reverse (212013233112), we get a palindrome (423345543324).

The spelling of 211332310212 in words is "two hundred eleven billion, three hundred thirty-two million, three hundred ten thousand, two hundred twelve".