20201212100212 has 24 divisors (see below), whose sum is σ = 41532561941472. Its totient is φ = 8476033048800.

The previous prime is 20201212100077. The next prime is 20201212100273. The reversal of 20201212100212 is 21200121210202.

It is a happy number.

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, 17658401614 + ... + 17658402757.

It is an arithmetic number, because the mean of its divisors is an integer number (1730523414228).

Almost surely, 2^{20201212100212} is an apocalyptic number.

20201212100212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20201212100212 is an abundant number, since it is smaller than the sum of its proper divisors (21331349841260).

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

20201212100212 is a wasteful number, since it uses less digits than its factorization.

20201212100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35316804399 (or 35316804397 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20201212100212 its reverse (21200121210202), we get a palindrome (41401333310414).

The spelling of 20201212100212 in words is "twenty trillion, two hundred one billion, two hundred twelve million, one hundred thousand, two hundred twelve".