331131002123212 has 12 divisors (see below), whose sum is σ = 579489911969976. Its totient is φ = 165562455846080.

The previous prime is 331131002123137. The next prime is 331131002123297. The reversal of 331131002123212 is 212321200131133.

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, 761059213 + ... + 761494180.

It is an arithmetic number, because the mean of its divisors is an integer number (48290825997498).

Almost surely, 2^{331131002123212} is an apocalyptic number.

It is an amenable number.

331131002123212 is a deficient number, since it is larger than the sum of its proper divisors (248358909846764).

331131002123212 is a wasteful number, since it uses less digits than its factorization.

331131002123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522607768 (or 1522607766 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 331131002123212 its reverse (212321200131133), we get a palindrome (543452202254345).

The spelling of 331131002123212 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, two million, one hundred twenty-three thousand, two hundred twelve".