122409338915 has 16 divisors (see below), whose sum is σ = 154773887520. Its totient is φ = 92682455040.

The previous prime is 122409338897. The next prime is 122409338929. The reversal of 122409338915 is 519833904221.

It is not a de Polignac number, because 122409338915 - 2⁸ = 122409338659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122409338915.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534014 + ... + 728003.

It is an arithmetic number, because the mean of its divisors is an integer number (9673367970).

Almost surely, 2^122409338915 is an apocalyptic number.

122409338915 is a deficient number, since it is larger than the sum of its proper divisors (32364548605).

122409338915 is a wasteful number, since it uses less digits than its factorization.

122409338915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263062.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 122409338915 in words is "one hundred twenty-two billion, four hundred nine million, three hundred thirty-eight thousand, nine hundred fifteen".