20431242000212 has 24 divisors (see below), whose sum is σ = 35992506356352. Its totient is φ = 10147672692000.

The previous prime is 20431242000209. The next prime is 20431242000229. The reversal of 20431242000212 is 21200024213402.

It is a super-3 number, since 3×20431242000212³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21071138 + ... + 22019430.

It is an arithmetic number, because the mean of its divisors is an integer number (1499687764848).

Almost surely, 2^{20431242000212} is an apocalyptic number.

It is an amenable number.

20431242000212 is a deficient number, since it is larger than the sum of its proper divisors (15561264356140).

20431242000212 is a wasteful number, since it uses less digits than its factorization.

20431242000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984119 (or 984117 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20431242000212 its reverse (21200024213402), we get a palindrome (41631266213614).

The spelling of 20431242000212 in words is "twenty trillion, four hundred thirty-one billion, two hundred forty-two million, two hundred twelve", and thus it is an aban number.