2012122112022 has 128 divisors (see below), whose sum is σ = 4897465390080. Its totient is φ = 607288193280.

The previous prime is 2012122111981. The next prime is 2012122112041. The reversal of 2012122112022 is 2202112212102.

It is a happy number.

2012122112022 is a `hidden beast` number, since 201 + 212 + 211 + 20 + 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 = 2012122111986 and 2012122112004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 257399458 + ... + 257407274.

It is an arithmetic number, because the mean of its divisors is an integer number (38261448360).

Almost surely, 2^{2012122112022} is an apocalyptic number.

2012122112022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012122112022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2448732695040).

2012122112022 is an abundant number, since it is smaller than the sum of its proper divisors (2885343278058).

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

2012122112022 is a wasteful number, since it uses less digits than its factorization.

2012122112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9523 (or 9517 counting only the distinct ones).

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

Adding to 2012122112022 its reverse (2202112212102), we get a palindrome (4214234324124).

The spelling of 2012122112022 in words is "two trillion, twelve billion, one hundred twenty-two million, one hundred twelve thousand, twenty-two".