12012022222122 has 32 divisors (see below), whose sum is σ = 25872330399552. Its totient is φ = 3695966475264.

The previous prime is 12012022222117. The next prime is 12012022222127. The reversal of 12012022222122 is 22122222021021.

It is an interprime number because it is at equal distance from previous prime (12012022222117) and next prime (12012022222127).

It is not an unprimeable number, because it can be changed into a prime (12012022222127) 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, 6788298 + ... + 8372874.

It is an arithmetic number, because the mean of its divisors is an integer number (808510324986).

Almost surely, 2^{12012022222122} is an apocalyptic number.

12012022222122 is an abundant number, since it is smaller than the sum of its proper divisors (13860308177430).

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

12012022222122 is a wasteful number, since it uses less digits than its factorization.

12012022222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681782.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12012022222122 its reverse (22122222021021), we get a palindrome (34134244243143).

The spelling of 12012022222122 in words is "twelve trillion, twelve billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty-two".