121512060512116 has 12 divisors (see below), whose sum is σ = 212706671601760. Its totient is φ = 60738725768760.

The previous prime is 121512060512111. The next prime is 121512060512177. The reversal of 121512060512116 is 611215060215121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121512060512111) 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, 4326106026 + ... + 4326134113.

Almost surely, 2^{121512060512116} is an apocalyptic number.

It is an amenable number.

121512060512116 is a deficient number, since it is larger than the sum of its proper divisors (91194611089644).

121512060512116 is a wasteful number, since it uses less digits than its factorization.

121512060512116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8652243654 (or 8652243652 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 34.

The spelling of 121512060512116 in words is "one hundred twenty-one trillion, five hundred twelve billion, sixty million, five hundred twelve thousand, one hundred sixteen".