20212200312 has 16 divisors (see below), whose sum is σ = 50530500840. Its totient is φ = 6737400096.

The previous prime is 20212200301. The next prime is 20212200313. The reversal of 20212200312 is 21300221202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20212200291 and 20212200300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212200313) 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, 421087483 + ... + 421087530.

Almost surely, 2^20212200312 is an apocalyptic number.

It is an amenable number.

20212200312 is an abundant number, since it is smaller than the sum of its proper divisors (30318300528).

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

20212200312 is a wasteful number, since it uses less digits than its factorization.

20212200312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842175022 (or 842175018 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20212200312 its reverse (21300221202), we get a palindrome (41512421514).

The spelling of 20212200312 in words is "twenty billion, two hundred twelve million, two hundred thousand, three hundred twelve".