1222112334523 has 16 divisors (see below), whose sum is σ = 1328058941440. Its totient is φ = 1120335364800.

The previous prime is 1222112334481. The next prime is 1222112334551. The reversal of 1222112334523 is 3254332112221.

It is a happy number.

It is not a de Polignac number, because 1222112334523 - 2²¹ = 1222110237371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222112334323) 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, 6427111 + ... + 6614527.

It is an arithmetic number, because the mean of its divisors is an integer number (83003683840).

Almost surely, 2^{1222112334523} is an apocalyptic number.

1222112334523 is a deficient number, since it is larger than the sum of its proper divisors (105946606917).

1222112334523 is a wasteful number, since it uses less digits than its factorization.

1222112334523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198538.

The product of its digits is 17280, while the sum is 31.

Adding to 1222112334523 its reverse (3254332112221), we get a palindrome (4476444446744).

The spelling of 1222112334523 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, three hundred thirty-four thousand, five hundred twenty-three".