1222012323 has 18 divisors (see below), whose sum is σ = 2053313964. Its totient is φ = 698292504.

The previous prime is 1222012321. The next prime is 1222012327. The reversal of 1222012323 is 3232102221.

It is not a de Polignac number, because 1222012323 - 2¹ = 1222012321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222012296 and 1222012305.

It is not an unprimeable number, because it can be changed into a prime (1222012321) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1385061 + ... + 1385942.

It is an arithmetic number, because the mean of its divisors is an integer number (114072998).

Almost surely, 2^1222012323 is an apocalyptic number.

1222012323 is a deficient number, since it is larger than the sum of its proper divisors (831301641).

1222012323 is a wasteful number, since it uses less digits than its factorization.

1222012323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771023 (or 2771013 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1222012323 is about 34957.2928442693. The cubic root of 1222012323 is about 1069.1169011345.

Adding to 1222012323 its reverse (3232102221), we get a palindrome (4454114544).

The spelling of 1222012323 in words is "one billion, two hundred twenty-two million, twelve thousand, three hundred twenty-three".