1213225196 has 24 divisors (see below), whose sum is σ = 2249157456. Its totient is φ = 570644480.

The previous prime is 1213225163. The next prime is 1213225261. The reversal of 1213225196 is 6915223121.

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, 203855 + ... + 209721.

It is an arithmetic number, because the mean of its divisors is an integer number (93714894).

Almost surely, 2^1213225196 is an apocalyptic number.

It is an amenable number.

1213225196 is a deficient number, since it is larger than the sum of its proper divisors (1035932260).

1213225196 is a wasteful number, since it uses less digits than its factorization.

1213225196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8929 (or 8927 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 1213225196 is about 34831.3823440874. The cubic root of 1213225196 is about 1066.5481670877.

The spelling of 1213225196 in words is "one billion, two hundred thirteen million, two hundred twenty-five thousand, one hundred ninety-six".