20122110022212 has 48 divisors (see below), whose sum is σ = 56911018248000. Its totient is φ = 6097609097280.

The previous prime is 20122110022171. The next prime is 20122110022277. The reversal of 20122110022212 is 21222001122102.

It is a happy number.

20122110022212 is a `hidden beast` number, since 201 + 221 + 10 + 0 + 22 + 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8468900337 + ... + 8468902712.

It is an arithmetic number, because the mean of its divisors is an integer number (1185646213500).

Almost surely, 2^{20122110022212} is an apocalyptic number.

20122110022212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20122110022212 is an abundant number, since it is smaller than the sum of its proper divisors (36788908225788).

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

20122110022212 is a wasteful number, since it uses less digits than its factorization.

20122110022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16937803073 (or 16937803065 counting only the distinct ones).

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

Adding to 20122110022212 its reverse (21222001122102), we get a palindrome (41344111144314).

The spelling of 20122110022212 in words is "twenty trillion, one hundred twenty-two billion, one hundred ten million, twenty-two thousand, two hundred twelve".