121226596488 has 240 divisors, whose sum is σ = 362272402800. Its totient is φ = 37865664000.

The previous prime is 121226596459. The next prime is 121226596493. The reversal of 121226596488 is 884695622121.

121226596488 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 2 + 6 + 596 + 48 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 47003983 + ... + 47006561.

It is an arithmetic number, because the mean of its divisors is an integer number (1509468345).

Almost surely, 2^121226596488 is an apocalyptic number.

121226596488 is a gapful number since it is divisible by the number (18) 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 121226596488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181136201400).

121226596488 is an abundant number, since it is smaller than the sum of its proper divisors (241045806312).

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

121226596488 is a wasteful number, since it uses less digits than its factorization.

121226596488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882 (or 2852 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 121226596488 in words is "one hundred twenty-one billion, two hundred twenty-six million, five hundred ninety-six thousand, four hundred eighty-eight".