2112022012212 has 72 divisors (see below), whose sum is σ = 6101692688000. Its totient is φ = 603405609408.

The previous prime is 2112022012189. The next prime is 2112022012213. The reversal of 2112022012212 is 2122102202112.

It is a happy number.

2112022012212 is a `hidden beast` number, since 211 + 20 + 220 + 1 + 2 + 212 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112022012213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5301114 + ... + 5685582.

Almost surely, 2^{2112022012212} is an apocalyptic number.

It is an amenable number.

2112022012212 is an abundant number, since it is smaller than the sum of its proper divisors (3989670675788).

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

2112022012212 is a wasteful number, since it uses less digits than its factorization.

2112022012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406285 (or 406280 counting only the distinct ones).

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

Adding to 2112022012212 its reverse (2122102202112), we get a palindrome (4234124214324).

The spelling of 2112022012212 in words is "two trillion, one hundred twelve billion, twenty-two million, twelve thousand, two hundred twelve".