2212120212012 has 36 divisors (see below), whose sum is σ = 5592440498736. Its totient is φ = 737282126880.

The previous prime is 2212120211981. The next prime is 2212120212013. The reversal of 2212120212012 is 2102120212122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (2212120212013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3508039 + ... + 4090302.

Almost surely, 2^{2212120212012} is an apocalyptic number.

It is an amenable number.

2212120212012 is an abundant number, since it is smaller than the sum of its proper divisors (3380320286724).

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

2212120212012 is a wasteful number, since it uses less digits than its factorization.

2212120212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7606438 (or 7606433 counting only the distinct ones).

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

Adding to 2212120212012 its reverse (2102120212122), we get a palindrome (4314240424134).

The spelling of 2212120212012 in words is "two trillion, two hundred twelve billion, one hundred twenty million, two hundred twelve thousand, twelve".