12011022222122 has 16 divisors (see below), whose sum is σ = 22462171428672. Its totient is φ = 4679619047520.

The previous prime is 12011022222119. The next prime is 12011022222149. The reversal of 12011022222122 is 22122222011021.

It is a junction number, because it is equal to n+sod(n) for n = 12011022222094 and 12011022222103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38996825243 + ... + 38996825550.

It is an arithmetic number, because the mean of its divisors is an integer number (1403885714292).

Almost surely, 2^{12011022222122} is an apocalyptic number.

12011022222122 is a deficient number, since it is larger than the sum of its proper divisors (10451149206550).

12011022222122 is a wasteful number, since it uses less digits than its factorization.

12011022222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77993650813.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12011022222122 its reverse (22122222011021), we get a palindrome (34133244233143).

The spelling of 12011022222122 in words is "twelve trillion, eleven billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty-two".