331211000212 has 6 divisors (see below), whose sum is σ = 579619250378. Its totient is φ = 165605500104.

The previous prime is 331211000207. The next prime is 331211000303. The reversal of 331211000212 is 212000112133.

It can be written as a sum of positive squares in only one way, i.e., 330905659536 + 305340676 = 575244^2 + 17474^2 .

It is a super-2 number, since 2×331211000212² (a number of 24 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 as a sum of consecutive naturals, namely, 41401375023 + ... + 41401375030.

Almost surely, 2^331211000212 is an apocalyptic number.

It is an amenable number.

331211000212 is a deficient number, since it is larger than the sum of its proper divisors (248408250166).

331211000212 is a wasteful number, since it uses less digits than its factorization.

331211000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82802750057 (or 82802750055 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 331211000212 its reverse (212000112133), we get a palindrome (543211112345).

The spelling of 331211000212 in words is "three hundred thirty-one billion, two hundred eleven million, two hundred twelve", and thus it is an aban number.