1225673612 has 12 divisors (see below), whose sum is σ = 2176943160. Its totient is φ = 603689856.

The previous prime is 1225673609. The next prime is 1225673627. The reversal of 1225673612 is 2163765221.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2286437 + ... + 2286972.

It is an arithmetic number, because the mean of its divisors is an integer number (181411930).

Almost surely, 2^1225673612 is an apocalyptic number.

It is an amenable number.

1225673612 is a deficient number, since it is larger than the sum of its proper divisors (951269548).

1225673612 is a wasteful number, since it uses less digits than its factorization.

1225673612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4573480 (or 4573478 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 1225673612 is about 35009.6217060396. The cubic root of 1225673612 is about 1070.1835688196.

The spelling of 1225673612 in words is "one billion, two hundred twenty-five million, six hundred seventy-three thousand, six hundred twelve".