20212144034212 has 12 divisors (see below), whose sum is σ = 38092117603036. Its totient is φ = 9328681861920.

The previous prime is 20212144034183. The next prime is 20212144034221. The reversal of 20212144034212 is 21243044121202.

It can be written as a sum of positive squares in 2 ways, for example, as 2177649170596 + 18034494863616 = 1475686^2 + 4246704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194347538739 + ... + 194347538842.

Almost surely, 2^{20212144034212} is an apocalyptic number.

It is an amenable number.

20212144034212 is a deficient number, since it is larger than the sum of its proper divisors (17879973568824).

20212144034212 is a wasteful number, since it uses less digits than its factorization.

20212144034212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388695077598 (or 388695077596 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 20212144034212 its reverse (21243044121202), we get a palindrome (41455188155414).

The spelling of 20212144034212 in words is "twenty trillion, two hundred twelve billion, one hundred forty-four million, thirty-four thousand, two hundred twelve".