121317851276 has 12 divisors (see below), whose sum is σ = 212308904808. Its totient is φ = 60658164192.

The previous prime is 121317851267. The next prime is 121317851293. The reversal of 121317851276 is 672158713121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320375 + ... + 587601.

It is an arithmetic number, because the mean of its divisors is an integer number (17692408734).

Almost surely, 2^121317851276 is an apocalyptic number.

It is an amenable number.

121317851276 is a deficient number, since it is larger than the sum of its proper divisors (90991053532).

121317851276 is a wasteful number, since it uses less digits than its factorization.

121317851276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380728 (or 380726 counting only the distinct ones).

The product of its digits is 141120, while the sum is 44.

The spelling of 121317851276 in words is "one hundred twenty-one billion, three hundred seventeen million, eight hundred fifty-one thousand, two hundred seventy-six".