20122112120022 has 48 divisors (see below), whose sum is σ = 47674867705920. Its totient is φ = 6083056940400.

The previous prime is 20122112119979. The next prime is 20122112120053. The reversal of 20122112120022 is 22002121122102.

It is a happy number.

20122112120022 is a `hidden beast` number, since 201 + 221 + 1 + 21 + 200 + 22 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 20122112119977 and 20122112120004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121190104 + ... + 121356027.

It is an arithmetic number, because the mean of its divisors is an integer number (993226410540).

Almost surely, 2^{20122112120022} is an apocalyptic number.

20122112120022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20122112120022 is an abundant number, since it is smaller than the sum of its proper divisors (27552755585898).

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

20122112120022 is a wasteful number, since it uses less digits than its factorization.

20122112120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242546569 (or 242546566 counting only the distinct ones).

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

Adding to 20122112120022 its reverse (22002121122102), we get a palindrome (42124233242124).

The spelling of 20122112120022 in words is "twenty trillion, one hundred twenty-two billion, one hundred twelve million, one hundred twenty thousand, twenty-two".