20212130312 has 32 divisors (see below), whose sum is σ = 41349480480. Its totient is φ = 9185890560.

The previous prime is 20212130311. The next prime is 20212130333. The reversal of 20212130312 is 21303121202.

It is not an unprimeable number, because it can be changed into a prime (20212130311) 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, 714143 + ... + 741905.

It is an arithmetic number, because the mean of its divisors is an integer number (1292171265).

Almost surely, 2^20212130312 is an apocalyptic number.

20212130312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20212130312 is an abundant number, since it is smaller than the sum of its proper divisors (21137350168).

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

20212130312 is a wasteful number, since it uses less digits than its factorization.

20212130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36053 (or 36049 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20212130312 its reverse (21303121202), we get a palindrome (41515251514).

The spelling of 20212130312 in words is "twenty billion, two hundred twelve million, one hundred thirty thousand, three hundred twelve".