121475025296 has 80 divisors (see below), whose sum is σ = 248986742400. Its totient is φ = 57253238784.

The previous prime is 121475025283. The next prime is 121475025299. The reversal of 121475025296 is 692520574121.

It is not an unprimeable number, because it can be changed into a prime (121475025299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64716710 + ... + 64718586.

It is an arithmetic number, because the mean of its divisors is an integer number (3112334280).

Almost surely, 2^121475025296 is an apocalyptic number.

121475025296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121475025296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124493371200).

121475025296 is an abundant number, since it is smaller than the sum of its proper divisors (127511717104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121475025296 is a wasteful number, since it uses less digits than its factorization.

121475025296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856 (or 2850 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 121475025296 in words is "one hundred twenty-one billion, four hundred seventy-five million, twenty-five thousand, two hundred ninety-six".