121279062956 has 48 divisors (see below), whose sum is σ = 217927514112. Its totient is φ = 59039323200.

The previous prime is 121279062941. The next prime is 121279062973. The reversal of 121279062956 is 659260972121.

It is a super-2 number, since 2×121279062956² (a number of 23 digits) contains 22 as substring.

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, 8028971 + ... + 8044061.

It is an arithmetic number, because the mean of its divisors is an integer number (4540156544).

Almost surely, 2^121279062956 is an apocalyptic number.

It is an amenable number.

121279062956 is a deficient number, since it is larger than the sum of its proper divisors (96648451156).

121279062956 is a wasteful number, since it uses less digits than its factorization.

121279062956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15510 (or 15508 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 121279062956 in words is "one hundred twenty-one billion, two hundred seventy-nine million, sixty-two thousand, nine hundred fifty-six".