122131121315 has 16 divisors (see below), whose sum is σ = 167503085568. Its totient is φ = 83742566496.

The previous prime is 122131121311. The next prime is 122131121341. The reversal of 122131121315 is 513121131221.

It is a cyclic number.

It is not a de Polignac number, because 122131121315 - 2² = 122131121311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122131121311) 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, 652814 + ... + 818796.

It is an arithmetic number, because the mean of its divisors is an integer number (10468942848).

Almost surely, 2^122131121315 is an apocalyptic number.

122131121315 is a deficient number, since it is larger than the sum of its proper divisors (45371964253).

122131121315 is a wasteful number, since it uses less digits than its factorization.

122131121315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187018.

The product of its digits is 360, while the sum is 23.

Adding to 122131121315 its reverse (513121131221), we get a palindrome (635252252536).

The spelling of 122131121315 in words is "one hundred twenty-two billion, one hundred thirty-one million, one hundred twenty-one thousand, three hundred fifteen".