20022002122212 has 48 divisors (see below), whose sum is σ = 52057630576000. Its totient is φ = 6654877483680.

The previous prime is 20022002122153. The next prime is 20022002122229. The reversal of 20022002122212 is 21222120022002.

20022002122212 is a `hidden beast` number, since 20 + 0 + 220 + 0 + 212 + 2 + 212 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265562464 + ... + 265637847.

Almost surely, 2^{20022002122212} is an apocalyptic number.

It is an amenable number.

20022002122212 is an abundant number, since it is smaller than the sum of its proper divisors (32035628453788).

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

20022002122212 is a wasteful number, since it uses less digits than its factorization.

20022002122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531200673 (or 531200665 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20022002122212 its reverse (21222120022002), we get a palindrome (41244122144214).

The spelling of 20022002122212 in words is "twenty trillion, twenty-two billion, two million, one hundred twenty-two thousand, two hundred twelve".