122131312255401 has 32 divisors (see below), whose sum is σ = 181198850203008. Its totient is φ = 72826332042240.

The previous prime is 122131312255373. The next prime is 122131312255417. The reversal of 122131312255401 is 104552213131221.

It is not a de Polignac number, because 122131312255401 - 2⁵ = 122131312255369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122131312257401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 752505790 + ... + 752668071.

It is an arithmetic number, because the mean of its divisors is an integer number (5662464068844).

Almost surely, 2^{122131312255401} is an apocalyptic number.

It is an amenable number.

122131312255401 is a deficient number, since it is larger than the sum of its proper divisors (59067537947607).

122131312255401 is a wasteful number, since it uses less digits than its factorization.

122131312255401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505173961.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 122131312255401 its reverse (104552213131221), we get a palindrome (226683525386622).

The spelling of 122131312255401 in words is "one hundred twenty-two trillion, one hundred thirty-one billion, three hundred twelve million, two hundred fifty-five thousand, four hundred one".