2212363122156 has 144 divisors (see below), whose sum is σ = 6422645174400. Its totient is φ = 635049676800.

The previous prime is 2212363122131. The next prime is 2212363122161. The reversal of 2212363122156 is 6512213632122.

2212363122156 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 3 + 631 + 2 + 2 + 15 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2212363122156.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91487275 + ... + 91511453.

It is an arithmetic number, because the mean of its divisors is an integer number (44601702600).

Almost surely, 2^{2212363122156} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212363122156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3211322587200).

2212363122156 is an abundant number, since it is smaller than the sum of its proper divisors (4210282052244).

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

2212363122156 is a wasteful number, since it uses less digits than its factorization.

2212363122156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36380 (or 36375 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

Adding to 2212363122156 its reverse (6512213632122), we get a palindrome (8724576754278).

The spelling of 2212363122156 in words is "two trillion, two hundred twelve billion, three hundred sixty-three million, one hundred twenty-two thousand, one hundred fifty-six".