122311331012 has 12 divisors (see below), whose sum is σ = 230509816236. Its totient is φ = 56451383520.

The previous prime is 122311330993. The next prime is 122311331059. The reversal of 122311331012 is 210133113221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25108303936 + 97203027076 = 158456^2 + 311774^2 .

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, 1176070439 + ... + 1176070542.

It is an arithmetic number, because the mean of its divisors is an integer number (19209151353).

Almost surely, 2^122311331012 is an apocalyptic number.

It is an amenable number.

122311331012 is a deficient number, since it is larger than the sum of its proper divisors (108198485224).

122311331012 is a wasteful number, since it uses less digits than its factorization.

122311331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352140998 (or 2352140996 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 122311331012 its reverse (210133113221), we get a palindrome (332444444233).

The spelling of 122311331012 in words is "one hundred twenty-two billion, three hundred eleven million, three hundred thirty-one thousand, twelve".