122151615122 has 16 divisors (see below), whose sum is σ = 187673522400. Its totient is φ = 59608669440.

The previous prime is 122151615029. The next prime is 122151615127. The reversal of 122151615122 is 221516151221.

It is not an unprimeable number, because it can be changed into a prime (122151615127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3707279 + ... + 3740082.

It is an arithmetic number, because the mean of its divisors is an integer number (11729595150).

Almost surely, 2^122151615122 is an apocalyptic number.

122151615122 is a deficient number, since it is larger than the sum of its proper divisors (65521907278).

122151615122 is a wasteful number, since it uses less digits than its factorization.

122151615122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7447561.

The product of its digits is 2400, while the sum is 29.

Adding to 122151615122 its reverse (221516151221), we get a palindrome (343667766343).

The spelling of 122151615122 in words is "one hundred twenty-two billion, one hundred fifty-one million, six hundred fifteen thousand, one hundred twenty-two".