120571515207428 has 12 divisors (see below), whose sum is σ = 211293614972160. Its totient is φ = 60201910929672.

The previous prime is 120571515207427. The next prime is 120571515207469. The reversal of 120571515207428 is 824702515175021.

120571515207428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (120571515207427) 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, 20961665276 + ... + 20961671027.

It is an arithmetic number, because the mean of its divisors is an integer number (17607801247680).

Almost surely, 2^{120571515207428} is an apocalyptic number.

It is an amenable number.

120571515207428 is a deficient number, since it is larger than the sum of its proper divisors (90722099764732).

120571515207428 is a wasteful number, since it uses less digits than its factorization.

120571515207428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41923337026 (or 41923337024 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 50.

The spelling of 120571515207428 in words is "one hundred twenty trillion, five hundred seventy-one billion, five hundred fifteen million, two hundred seven thousand, four hundred twenty-eight".