20122010212112 has 20 divisors (see below), whose sum is σ = 41279712126876. Its totient is φ = 9469181276160.

The previous prime is 20122010212093. The next prime is 20122010212147. The reversal of 20122010212112 is 21121201022102.

It can be written as a sum of positive squares in 2 ways, for example, as 11291508560656 + 8830501651456 = 3360284^2 + 2971616^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 36988989089 + ... + 36988989632.

Almost surely, 2^{20122010212112} is an apocalyptic number.

It is an amenable number.

20122010212112 is an abundant number, since it is smaller than the sum of its proper divisors (21157701914764).

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

20122010212112 is a wasteful number, since it uses less digits than its factorization.

20122010212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73977978746 (or 73977978740 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20122010212112 its reverse (21121201022102), we get a palindrome (41243211234214).

The spelling of 20122010212112 in words is "twenty trillion, one hundred twenty-two billion, ten million, two hundred twelve thousand, one hundred twelve".