122131312255355 has 16 divisors (see below), whose sum is σ = 157831971776640. Its totient is φ = 90188855326848.

The previous prime is 122131312255339. The next prime is 122131312255361. The reversal of 122131312255355 is 553552213131221.

It is a cyclic number.

It is not a de Polignac number, because 122131312255355 - 2⁴ = 122131312255339 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9987701 + ... + 18547689.

It is an arithmetic number, because the mean of its divisors is an integer number (9864498236040).

Almost surely, 2^{122131312255355} is an apocalyptic number.

122131312255355 is a deficient number, since it is larger than the sum of its proper divisors (35700659521285).

122131312255355 is a wasteful number, since it uses less digits than its factorization.

122131312255355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8779510.

The product of its digits is 270000, while the sum is 41.

Adding to 122131312255355 its reverse (553552213131221), we get a palindrome (675683525386576).

The spelling of 122131312255355 in words is "one hundred twenty-two trillion, one hundred thirty-one billion, three hundred twelve million, two hundred fifty-five thousand, three hundred fifty-five".