222100232311212 has 48 divisors (see below), whose sum is σ = 520472970081792. Its totient is φ = 73713558313600.

The previous prime is 222100232311211. The next prime is 222100232311271. The reversal of 222100232311212 is 212113232001222.

It is not an unprimeable number, because it can be changed into a prime (222100232311211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97989337 + ... + 100230287.

It is an arithmetic number, because the mean of its divisors is an integer number (10843186876704).

Almost surely, 2^{222100232311212} is an apocalyptic number.

It is an amenable number.

222100232311212 is an abundant number, since it is smaller than the sum of its proper divisors (298372737770580).

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

222100232311212 is a wasteful number, since it uses less digits than its factorization.

222100232311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276638 (or 2276636 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 222100232311212 its reverse (212113232001222), we get a palindrome (434213464312434).

The spelling of 222100232311212 in words is "two hundred twenty-two trillion, one hundred billion, two hundred thirty-two million, three hundred eleven thousand, two hundred twelve".