122091912927 has 80 divisors (see below), whose sum is σ = 200067420960. Its totient is φ = 73855660032.

The previous prime is 122091912889. The next prime is 122091912941. The reversal of 122091912927 is 729219190221.

It is not a de Polignac number, because 122091912927 - 2⁶ = 122091912863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122091912967) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 33022743 + ... + 33026439.

It is an arithmetic number, because the mean of its divisors is an integer number (2500842762).

Almost surely, 2^122091912927 is an apocalyptic number.

122091912927 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

122091912927 is a deficient number, since it is larger than the sum of its proper divisors (77975508033).

122091912927 is a wasteful number, since it uses less digits than its factorization.

122091912927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4582 (or 4573 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 122091912927 in words is "one hundred twenty-two billion, ninety-one million, nine hundred twelve thousand, nine hundred twenty-seven".