20122000211212 has 24 divisors (see below), whose sum is σ = 36034910326800. Its totient is φ = 9826343901696.

The previous prime is 20122000211191. The next prime is 20122000211213. The reversal of 20122000211212 is 21211200022102.

It is a happy number.

It is a super-2 number, since 2×20122000211212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20122000211213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545037 + ... + 6529252.

It is an arithmetic number, because the mean of its divisors is an integer number (1501454596950).

Almost surely, 2^{20122000211212} is an apocalyptic number.

It is an amenable number.

20122000211212 is a deficient number, since it is larger than the sum of its proper divisors (15912910115588).

20122000211212 is a wasteful number, since it uses less digits than its factorization.

20122000211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8088825 (or 8088823 counting only the distinct ones).

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

Adding to 20122000211212 its reverse (21211200022102), we get a palindrome (41333200233314).

The spelling of 20122000211212 in words is "twenty trillion, one hundred twenty-two billion, two hundred eleven thousand, two hundred twelve".