2212120202112 has 80 divisors (see below), whose sum is σ = 6583233907800. Its totient is φ = 737373397248.

The previous prime is 2212120202051. The next prime is 2212120202137. The reversal of 2212120202112 is 2112020212122.

It is a happy number.

2212120202112 is a `hidden beast` number, since 221 + 212 + 0 + 20 + 211 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 106669812 + ... + 106690547.

Almost surely, 2^{2212120202112} is an apocalyptic number.

It is an amenable number.

2212120202112 is an abundant number, since it is smaller than the sum of its proper divisors (4371113705688).

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

2212120202112 is an equidigital number, since it uses as much as digits as its factorization.

2212120202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213360385 (or 213360364 counting only the distinct ones).

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

Adding to 2212120202112 its reverse (2112020212122), we get a palindrome (4324140414234).

The spelling of 2212120202112 in words is "two trillion, two hundred twelve billion, one hundred twenty million, two hundred two thousand, one hundred twelve".