122531315532112 has 20 divisors (see below), whose sum is σ = 237445762072000. Its totient is φ = 61254989836128.

The previous prime is 122531315532103. The next prime is 122531315532137. The reversal of 122531315532112 is 211235513135221.

It is a congruent number.

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, 666650862 + ... + 666834637.

It is an arithmetic number, because the mean of its divisors is an integer number (11872288103600).

Almost surely, 2^{122531315532112} is an apocalyptic number.

It is an amenable number.

122531315532112 is a deficient number, since it is larger than the sum of its proper divisors (114914446539888).

122531315532112 is a wasteful number, since it uses less digits than its factorization.

122531315532112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333491250 (or 1333491244 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

Adding to 122531315532112 its reverse (211235513135221), we get a palindrome (333766828667333).

The spelling of 122531315532112 in words is "one hundred twenty-two trillion, five hundred thirty-one billion, three hundred fifteen million, five hundred thirty-two thousand, one hundred twelve".