20210012312 has 32 divisors (see below), whose sum is σ = 43461321120. Its totient is φ = 8630603520.

The previous prime is 20210012269. The next prime is 20210012327. The reversal of 20210012312 is 21321001202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626423 + ... + 657894.

It is an arithmetic number, because the mean of its divisors is an integer number (1358166285).

Almost surely, 2^20210012312 is an apocalyptic number.

It is an amenable number.

20210012312 is an abundant number, since it is smaller than the sum of its proper divisors (23251308808).

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

20210012312 is a wasteful number, since it uses less digits than its factorization.

20210012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284611 (or 1284607 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20210012312 its reverse (21321001202), we get a palindrome (41531013514).

It can be divided in two parts, 202100 and 12312, that added together give a palindrome (214412).

The spelling of 20210012312 in words is "twenty billion, two hundred ten million, twelve thousand, three hundred twelve".