121365146912 has 12 divisors (see below), whose sum is σ = 238937633046. Its totient is φ = 60682573440.

The previous prime is 121365146887. The next prime is 121365146939. The reversal of 121365146912 is 219641563121.

It can be written as a sum of positive squares in only one way, i.e., 102761278096 + 18603868816 = 320564^2 + 136396^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121365146912.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1896330389 + ... + 1896330452.

Almost surely, 2^121365146912 is an apocalyptic number.

It is an amenable number.

121365146912 is a deficient number, since it is larger than the sum of its proper divisors (117572486134).

121365146912 is an equidigital number, since it uses as much as digits as its factorization.

121365146912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792660851 (or 3792660843 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The spelling of 121365146912 in words is "one hundred twenty-one billion, three hundred sixty-five million, one hundred forty-six thousand, nine hundred twelve".