120020130312 has 16 divisors (see below), whose sum is σ = 300050325840. Its totient is φ = 40006710096.

The previous prime is 120020130299. The next prime is 120020130319. The reversal of 120020130312 is 213031020021.

It is a super-2 number, since 2×120020130312² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120020130291 and 120020130300.

It is not an unprimeable number, because it can be changed into a prime (120020130319) 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, 2500419358 + ... + 2500419405.

It is an arithmetic number, because the mean of its divisors is an integer number (18753145365).

Almost surely, 2^120020130312 is an apocalyptic number.

120020130312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120020130312 is an abundant number, since it is smaller than the sum of its proper divisors (180030195528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120020130312 is a wasteful number, since it uses less digits than its factorization.

120020130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000838772 (or 5000838768 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 120020130312 its reverse (213031020021), we get a palindrome (333051150333).

The spelling of 120020130312 in words is "one hundred twenty billion, twenty million, one hundred thirty thousand, three hundred twelve".