122621066015 has 12 divisors (see below), whose sum is σ = 171168998616. Its totient is φ = 84083016528.

The previous prime is 122621065979. The next prime is 122621066053. The reversal of 122621066015 is 510660126221.

It is not a de Polignac number, because 122621066015 - 2⁸ = 122621065759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250246829 + ... + 250247318.

It is an arithmetic number, because the mean of its divisors is an integer number (14264083218).

Almost surely, 2^122621066015 is an apocalyptic number.

122621066015 is a deficient number, since it is larger than the sum of its proper divisors (48547932601).

122621066015 is an equidigital number, since it uses as much as digits as its factorization.

122621066015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500494166 (or 500494159 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 122621066015 in words is "one hundred twenty-two billion, six hundred twenty-one million, sixty-six thousand, fifteen".