121497914786 has 24 divisors (see below), whose sum is σ = 196322947920. Its totient is φ = 56206714536.

The previous prime is 121497914753. The next prime is 121497914861. The reversal of 121497914786 is 687419794121.

It is a super-2 number, since 2×121497914786² (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 11 ways as a sum of consecutive naturals, for example, 14085671 + ... + 14094293.

It is an arithmetic number, because the mean of its divisors is an integer number (8180122830).

Almost surely, 2^121497914786 is an apocalyptic number.

121497914786 is a deficient number, since it is larger than the sum of its proper divisors (74825033134).

121497914786 is an frugal number, since it uses more digits than its factorization.

121497914786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17310 (or 8687 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 59.

The spelling of 121497914786 in words is "one hundred twenty-one billion, four hundred ninety-seven million, nine hundred fourteen thousand, seven hundred eighty-six".