122112722261215 has 32 divisors (see below), whose sum is σ = 170189838314496. Its totient is φ = 82382329290240.

The previous prime is 122112722261197. The next prime is 122112722261269. The reversal of 122112722261215 is 512162227211221.

It is not a de Polignac number, because 122112722261215 - 2¹¹ = 122112722259167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86510187 + ... + 87910396.

It is an arithmetic number, because the mean of its divisors is an integer number (5318432447328).

Almost surely, 2^{122112722261215} is an apocalyptic number.

122112722261215 is a deficient number, since it is larger than the sum of its proper divisors (48077116053281).

122112722261215 is a wasteful number, since it uses less digits than its factorization.

122112722261215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174420919.

The product of its digits is 26880, while the sum is 37.

Adding to 122112722261215 its reverse (512162227211221), we get a palindrome (634274949472436).

The spelling of 122112722261215 in words is "one hundred twenty-two trillion, one hundred twelve billion, seven hundred twenty-two million, two hundred sixty-one thousand, two hundred fifteen".