122312012 has 6 divisors (see below), whose sum is σ = 214046028. Its totient is φ = 61156004.

The previous prime is 122312009. The next prime is 122312023. The reversal of 122312012 is 210213221.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15288998 + ... + 15289005.

It is an arithmetic number, because the mean of its divisors is an integer number (35674338).

Almost surely, 2^122312012 is an apocalyptic number.

It is an amenable number.

122312012 is a deficient number, since it is larger than the sum of its proper divisors (91734016).

122312012 is a wasteful number, since it uses less digits than its factorization.

122312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30578007 (or 30578005 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 122312012 is about 11059.4761177915. The cubic root of 122312012 is about 496.3900147399.

Adding to 122312012 its reverse (210213221), we get a palindrome (332525233).

The spelling of 122312012 in words is "one hundred twenty-two million, three hundred twelve thousand, twelve".