120762321628521 has 12 divisors (see below), whose sum is σ = 169937006614512. Its totient is φ = 76270939975224.

The previous prime is 120762321628519. The next prime is 120762321628549. The reversal of 120762321628521 is 125826123267021.

It is not a de Polignac number, because 120762321628521 - 2¹ = 120762321628519 is a prime.

It is a super-2 number, since 2×120762321628521² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120762321628561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55753610011 + ... + 55753612176.

It is an arithmetic number, because the mean of its divisors is an integer number (14161417217876).

Almost surely, 2^{120762321628521} is an apocalyptic number.

It is an amenable number.

120762321628521 is a deficient number, since it is larger than the sum of its proper divisors (49174684985991).

120762321628521 is a wasteful number, since it uses less digits than its factorization.

120762321628521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111507222228 (or 111507222209 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 120762321628521 in words is "one hundred twenty trillion, seven hundred sixty-two billion, three hundred twenty-one million, six hundred twenty-eight thousand, five hundred twenty-one".