20112212002212 has 72 divisors (see below), whose sum is σ = 55589034053280. Its totient is φ = 6080534334720.

The previous prime is 20112212002189. The next prime is 20112212002217. The reversal of 20112212002212 is 21220021221102.

It is a happy number.

20112212002212 is a `hidden beast` number, since 20 + 1 + 1 + 221 + 200 + 221 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20112212002217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58475662 + ... + 58818597.

Almost surely, 2^{20112212002212} is an apocalyptic number.

20112212002212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20112212002212 is an abundant number, since it is smaller than the sum of its proper divisors (35476822051068).

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

20112212002212 is a wasteful number, since it uses less digits than its factorization.

20112212002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117294713 (or 117294708 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20112212002212 its reverse (21220021221102), we get a palindrome (41332233223314).

The spelling of 20112212002212 in words is "twenty trillion, one hundred twelve billion, two hundred twelve million, two thousand, two hundred twelve".