12012213312122 has 8 divisors (see below), whose sum is σ = 19078221142836. Its totient is φ = 5652806264512.

The previous prime is 12012213312101. The next prime is 12012213312157. The reversal of 12012213312122 is 22121331221021.

It can be written as a sum of positive squares in 2 ways, for example, as 11770189654441 + 242023657681 = 3430771^2 + 491959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176650195733 + ... + 176650195800.

Almost surely, 2^{12012213312122} is an apocalyptic number.

12012213312122 is a deficient number, since it is larger than the sum of its proper divisors (7066007830714).

12012213312122 is a wasteful number, since it uses less digits than its factorization.

12012213312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353300391552.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12012213312122 its reverse (22121331221021), we get a palindrome (34133544533143).

The spelling of 12012213312122 in words is "twelve trillion, twelve billion, two hundred thirteen million, three hundred twelve thousand, one hundred twenty-two".