121415054788912 has 20 divisors (see below), whose sum is σ = 237093965261056. Its totient is φ = 60229515366720.

The previous prime is 121415054788901. The next prime is 121415054788913. The reversal of 121415054788912 is 219887450514121.

It is not an unprimeable number, because it can be changed into a prime (121415054788913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29875749639 + ... + 29875753702.

Almost surely, 2^{121415054788912} is an apocalyptic number.

It is an amenable number.

121415054788912 is a deficient number, since it is larger than the sum of its proper divisors (115678910472144).

121415054788912 is a wasteful number, since it uses less digits than its factorization.

121415054788912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59751503476 (or 59751503470 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 58.

The spelling of 121415054788912 in words is "one hundred twenty-one trillion, four hundred fifteen billion, fifty-four million, seven hundred eighty-eight thousand, nine hundred twelve".