20012002212212 has 24 divisors (see below), whose sum is σ = 36709481098752. Its totient is φ = 9534930148800.

The previous prime is 20012002212211. The next prime is 20012002212269. The reversal of 20012002212212 is 21221220021002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012002212211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418881364 + ... + 1418895467.

It is an arithmetic number, because the mean of its divisors is an integer number (1529561712448).

Almost surely, 2^{20012002212212} is an apocalyptic number.

It is an amenable number.

20012002212212 is a deficient number, since it is larger than the sum of its proper divisors (16697478886540).

20012002212212 is a wasteful number, since it uses less digits than its factorization.

20012002212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837776919 (or 2837776917 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20012002212212 its reverse (21221220021002), we get a palindrome (41233222233214).

The spelling of 20012002212212 in words is "twenty trillion, twelve billion, two million, two hundred twelve thousand, two hundred twelve".