212132211331 has 8 divisors (see below), whose sum is σ = 223166559600. Its totient is φ = 201345826080.

The previous prime is 212132211311. The next prime is 212132211337. The reversal of 212132211331 is 133112231212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212132211331 - 2⁵ = 212132211299 is a prime.

It is a super-2 number, since 2×212132211331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212132211337) 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, 61989000 + ... + 61992421.

It is an arithmetic number, because the mean of its divisors is an integer number (27895819950).

Almost surely, 2^212132211331 is an apocalyptic number.

212132211331 is a deficient number, since it is larger than the sum of its proper divisors (11034348269).

212132211331 is a wasteful number, since it uses less digits than its factorization.

212132211331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123981509.

The product of its digits is 432, while the sum is 22.

Adding to 212132211331 its reverse (133112231212), we get a palindrome (345244442543).

The spelling of 212132211331 in words is "two hundred twelve billion, one hundred thirty-two million, two hundred eleven thousand, three hundred thirty-one".