2012131211022 has 64 divisors (see below), whose sum is σ = 4566664768320. Its totient is φ = 664774750080.

The previous prime is 2012131210993. The next prime is 2012131211033. The reversal of 2012131211022 is 2201121312102.

2012131211022 is a `hidden beast` number, since 201 + 21 + 312 + 110 + 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 = 2012131210986 and 2012131211004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1541229 + ... + 2529752.

It is an arithmetic number, because the mean of its divisors is an integer number (71354137005).

Almost surely, 2^{2012131211022} is an apocalyptic number.

2012131211022 is an abundant number, since it is smaller than the sum of its proper divisors (2554533557298).

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

2012131211022 is an equidigital number, since it uses as much as digits as its factorization.

2012131211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071117 (or 4071099 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2012131211022 its reverse (2201121312102), we get a palindrome (4213252523124).

The spelling of 2012131211022 in words is "two trillion, twelve billion, one hundred thirty-one million, two hundred eleven thousand, twenty-two".