121226948580 has 48 divisors (see below), whose sum is σ = 339598917504. Its totient is φ = 32311618560.

The previous prime is 121226948527. The next prime is 121226948597. The reversal of 121226948580 is 85849622121.

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, 360592 + ... + 610311.

It is an arithmetic number, because the mean of its divisors is an integer number (7074977448).

Almost surely, 2^121226948580 is an apocalyptic number.

121226948580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121226948580 is an abundant number, since it is smaller than the sum of its proper divisors (218371968924).

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

121226948580 is a wasteful number, since it uses less digits than its factorization.

121226948580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972996 (or 972994 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 121226948580 in words is "one hundred twenty-one billion, two hundred twenty-six million, nine hundred forty-eight thousand, five hundred eighty".