20122001022112 has 24 divisors (see below), whose sum is σ = 43216570377792. Its totient is φ = 9146364100800.

The previous prime is 20122001022107. The next prime is 20122001022173. The reversal of 20122001022112 is 21122010022102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28582387464 + ... + 28582388167.

It is an arithmetic number, because the mean of its divisors is an integer number (1800690432408).

Almost surely, 2^{20122001022112} is an apocalyptic number.

20122001022112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20122001022112 is an abundant number, since it is smaller than the sum of its proper divisors (23094569355680).

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

20122001022112 is a wasteful number, since it uses less digits than its factorization.

20122001022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57164775652 (or 57164775644 counting only the distinct ones).

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

Adding to 20122001022112 its reverse (21122010022102), we get a palindrome (41244011044214).

The spelling of 20122001022112 in words is "twenty trillion, one hundred twenty-two billion, one million, twenty-two thousand, one hundred twelve".