1225226012 has 24 divisors (see below), whose sum is σ = 2179652496. Its totient is φ = 602546688.

The previous prime is 1225226003. The next prime is 1225226027. The reversal of 1225226012 is 2106225221.

It is a congruent number.

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, 53558 + ... + 72930.

It is an arithmetic number, because the mean of its divisors is an integer number (90818854).

Almost surely, 2^1225226012 is an apocalyptic number.

It is an amenable number.

1225226012 is a deficient number, since it is larger than the sum of its proper divisors (954426484).

1225226012 is a wasteful number, since it uses less digits than its factorization.

1225226012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19637 (or 19635 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1225226012 is about 35003.2285939454. The cubic root of 1225226012 is about 1070.0532806030.

The spelling of 1225226012 in words is "one billion, two hundred twenty-five million, two hundred twenty-six thousand, twelve".