120072306530 has 16 divisors (see below), whose sum is σ = 235778347584. Its totient is φ = 43662656880.

The previous prime is 120072306511. The next prime is 120072306533. The reversal of 120072306530 is 35603270021.

It is a junction number, because it is equal to n+sod(n) for n = 120072306493 and 120072306502.

It is not an unprimeable number, because it can be changed into a prime (120072306533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545783102 + ... + 545783321.

It is an arithmetic number, because the mean of its divisors is an integer number (14736146724).

Almost surely, 2^120072306530 is an apocalyptic number.

120072306530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120072306530 is a deficient number, since it is larger than the sum of its proper divisors (115706041054).

120072306530 is a wasteful number, since it uses less digits than its factorization.

120072306530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091566441.

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 120072306530 its reverse (35603270021), we get a palindrome (155675576551).

The spelling of 120072306530 in words is "one hundred twenty billion, seventy-two million, three hundred six thousand, five hundred thirty".