2012002222212 has 72 divisors (see below), whose sum is σ = 5210230585560. Its totient is φ = 654273262080.

The previous prime is 2012002222211. The next prime is 2012002222229. The reversal of 2012002222212 is 2122222002102.

2012002222212 is a `hidden beast` number, since 20 + 1 + 200 + 222 + 221 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 64905714756 + 1947096507456 = 254766^2 + 1395384^2 .

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 (2012002222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43177758 + ... + 43224330.

Almost surely, 2^{2012002222212} is an apocalyptic number.

It is an amenable number.

2012002222212 is an abundant number, since it is smaller than the sum of its proper divisors (3198228363348).

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

2012002222212 is a wasteful number, since it uses less digits than its factorization.

2012002222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75893 (or 75888 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2012002222212 its reverse (2122222002102), we get a palindrome (4134224224314).

The spelling of 2012002222212 in words is "two trillion, twelve billion, two million, two hundred twenty-two thousand, two hundred twelve".