12010012022222 has 4 divisors (see below), whose sum is σ = 18015018033336. Its totient is φ = 6005006011110.

The previous prime is 12010012022149. The next prime is 12010012022263. The reversal of 12010012022222 is 22222021001021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12010012022222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002503005554 + ... + 3002503005557.

It is an arithmetic number, because the mean of its divisors is an integer number (4503754508334).

Almost surely, 2^{12010012022222} is an apocalyptic number.

12010012022222 is a deficient number, since it is larger than the sum of its proper divisors (6005006011114).

12010012022222 is an equidigital number, since it uses as much as digits as its factorization.

12010012022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6005006011113.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12010012022222 its reverse (22222021001021), we get a palindrome (34232033023243).

It can be divided in two parts, 1201001 and 2022222, that added together give a palindrome (3223223).

The spelling of 12010012022222 in words is "twelve trillion, ten billion, twelve million, twenty-two thousand, two hundred twenty-two".