122611037938138 has 32 divisors (see below), whose sum is σ = 192730024373760. Its totient is φ = 58428143484480.

The previous prime is 122611037938133. The next prime is 122611037938139. The reversal of 122611037938138 is 831839730116221.

It is not an unprimeable number, because it can be changed into a prime (122611037938133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13396608 + ... + 20608036.

It is an arithmetic number, because the mean of its divisors is an integer number (6022813261680).

Almost surely, 2^{122611037938138} is an apocalyptic number.

122611037938138 is a deficient number, since it is larger than the sum of its proper divisors (70118986435622).

122611037938138 is a wasteful number, since it uses less digits than its factorization.

122611037938138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7215622.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 122611037938138 in words is "one hundred twenty-two trillion, six hundred eleven billion, thirty-seven million, nine hundred thirty-eight thousand, one hundred thirty-eight".