120372712647 has 24 divisors (see below), whose sum is σ = 176499884400. Its totient is φ = 72917644800.

The previous prime is 120372712631. The next prime is 120372712679. The reversal of 120372712647 is 746217273021.

It is not a de Polignac number, because 120372712647 - 2⁴ = 120372712631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120372712599 and 120372712608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120372712687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 675729 + ... + 835077.

It is an arithmetic number, because the mean of its divisors is an integer number (7354161850).

Almost surely, 2^120372712647 is an apocalyptic number.

120372712647 is a deficient number, since it is larger than the sum of its proper divisors (56127171753).

120372712647 is a wasteful number, since it uses less digits than its factorization.

120372712647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161455 (or 161444 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

Adding to 120372712647 its reverse (746217273021), we get a palindrome (866589985668).

The spelling of 120372712647 in words is "one hundred twenty billion, three hundred seventy-two million, seven hundred twelve thousand, six hundred forty-seven".