331122012129979 has 4 divisors (see below), whose sum is σ = 378425156719984. Its totient is φ = 283818867539976.

The previous prime is 331122012129973. The next prime is 331122012130057. The reversal of 331122012129979 is 979921210221133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 331122012129979 - 2³ = 331122012129971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331122012129971) 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, 23651572294992 + ... + 23651572295005.

It is an arithmetic number, because the mean of its divisors is an integer number (94606289179996).

Almost surely, 2^{331122012129979} is an apocalyptic number.

331122012129979 is a deficient number, since it is larger than the sum of its proper divisors (47303144590005).

331122012129979 is an equidigital number, since it uses as much as digits as its factorization.

331122012129979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47303144590004.

The product of its (nonzero) digits is 734832, while the sum is 52.

The spelling of 331122012129979 in words is "three hundred thirty-one trillion, one hundred twenty-two billion, twelve million, one hundred twenty-nine thousand, nine hundred seventy-nine".