1122345612 has 24 divisors (see below), whose sum is σ = 2909785200. Its totient is φ = 374115168.

The previous prime is 1122345563. The next prime is 1122345619. The reversal of 1122345612 is 2165432211.

1122345612 is a `hidden beast` number, since 1 + 1 + 2 + 2 + 3 + 45 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1122345619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5195937 + ... + 5196152.

It is an arithmetic number, because the mean of its divisors is an integer number (121241050).

Almost surely, 2^1122345612 is an apocalyptic number.

1122345612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122345612 is an abundant number, since it is smaller than the sum of its proper divisors (1787439588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122345612 is a wasteful number, since it uses less digits than its factorization.

1122345612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10392102 (or 10392094 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1122345612 is about 33501.4270143825. The cubic root of 1122345612 is about 1039.2232896444.

Adding to 1122345612 its reverse (2165432211), we get a palindrome (3287777823).

The spelling of 1122345612 in words is "one billion, one hundred twenty-two million, three hundred forty-five thousand, six hundred twelve".