122554231252215 has 128 divisors (see below), whose sum is σ = 236085874698240. Its totient is φ = 53032936439808.

The previous prime is 122554231252163. The next prime is 122554231252249. The reversal of 122554231252215 is 512252132455221.

It is not a de Polignac number, because 122554231252215 - 2⁹ = 122554231251703 is a prime.

It is a congruent number.

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 127 ways as a sum of consecutive naturals, for example, 20048128999 + ... + 20048135111.

It is an arithmetic number, because the mean of its divisors is an integer number (1844420896080).

Almost surely, 2^{122554231252215} is an apocalyptic number.

122554231252215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122554231252215 is a deficient number, since it is larger than the sum of its proper divisors (113531643446025).

122554231252215 is a wasteful number, since it uses less digits than its factorization.

122554231252215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12681.

The product of its digits is 480000, while the sum is 42.

The spelling of 122554231252215 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, two hundred thirty-one million, two hundred fifty-two thousand, two hundred fifteen".