120513130221 has 32 divisors (see below), whose sum is σ = 175773312000. Its totient is φ = 72837878400.

The previous prime is 120513130217. The next prime is 120513130267. The reversal of 120513130221 is 122031315021.

It is not a de Polignac number, because 120513130221 - 2² = 120513130217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120513130211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41511856 + ... + 41514758.

It is an arithmetic number, because the mean of its divisors is an integer number (5492916000).

Almost surely, 2^120513130221 is an apocalyptic number.

120513130221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120513130221 is a deficient number, since it is larger than the sum of its proper divisors (55260181779).

120513130221 is a wasteful number, since it uses less digits than its factorization.

120513130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5937.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 120513130221 its reverse (122031315021), we get a palindrome (242544445242).

The spelling of 120513130221 in words is "one hundred twenty billion, five hundred thirteen million, one hundred thirty thousand, two hundred twenty-one".