2212111200252 has 48 divisors (see below), whose sum is σ = 5302206417312. Its totient is φ = 717291095040.

The previous prime is 2212111200227. The next prime is 2212111200253. The reversal of 2212111200252 is 2520021112122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212111200253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1608352 + ... + 2647832.

It is an arithmetic number, because the mean of its divisors is an integer number (110462633694).

Almost surely, 2^{2212111200252} is an apocalyptic number.

It is an amenable number.

2212111200252 is an abundant number, since it is smaller than the sum of its proper divisors (3090095217060).

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

2212111200252 is a wasteful number, since it uses less digits than its factorization.

2212111200252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044318 (or 1044316 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 2212111200252 its reverse (2520021112122), we get a palindrome (4732132312374).

The spelling of 2212111200252 in words is "two trillion, two hundred twelve billion, one hundred eleven million, two hundred thousand, two hundred fifty-two".