20022101122012 has 48 divisors (see below), whose sum is σ = 40476474728928. Its totient is φ = 8564759838720.

The previous prime is 20022101121947. The next prime is 20022101122019. The reversal of 20022101122012 is 21022110122002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022101122019) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6297298 + ... + 8927494.

It is an arithmetic number, because the mean of its divisors is an integer number (843259890186).

Almost surely, 2^{20022101122012} is an apocalyptic number.

20022101122012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20022101122012 is an abundant number, since it is smaller than the sum of its proper divisors (20454373606916).

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

20022101122012 is a wasteful number, since it uses less digits than its factorization.

20022101122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640406 (or 2640404 counting only the distinct ones).

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

Adding to 20022101122012 its reverse (21022110122002), we get a palindrome (41044211244014).

The spelling of 20022101122012 in words is "twenty trillion, twenty-two billion, one hundred one million, one hundred twenty-two thousand, twelve".