7121516616120 has 64 divisors (see below), whose sum is σ = 21767654581920. Its totient is φ = 1863239565824.

The previous prime is 7121516616077. The next prime is 7121516616169. The reversal of 7121516616120 is 216166151217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559861299 + ... + 559874018.

Almost surely, 2^{7121516616120} is an apocalyptic number.

It is an amenable number.

7121516616120 is an abundant number, since it is smaller than the sum of its proper divisors (14646137965800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7121516616120 is a wasteful number, since it uses less digits than its factorization.

7121516616120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119735384 (or 1119735380 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 7121516616120 in words is "seven trillion, one hundred twenty-one billion, five hundred sixteen million, six hundred sixteen thousand, one hundred twenty".