1212683204 has 12 divisors (see below), whose sum is σ = 2130086700. Its totient is φ = 604087008.

The previous prime is 1212683201. The next prime is 1212683231. The reversal of 1212683204 is 4023862121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 388878400 + 823804804 = 19720^2 + 28702^2 .

It is not an unprimeable number, because it can be changed into a prime (1212683201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562439 + ... + 564590.

It is an arithmetic number, because the mean of its divisors is an integer number (177507225).

Almost surely, 2^1212683204 is an apocalyptic number.

It is an amenable number.

1212683204 is a deficient number, since it is larger than the sum of its proper divisors (917403496).

1212683204 is a wasteful number, since it uses less digits than its factorization.

1212683204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127302 (or 1127300 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1212683204 is about 34823.6012497272. The cubic root of 1212683204 is about 1066.3893214264.

The spelling of 1212683204 in words is "one billion, two hundred twelve million, six hundred eighty-three thousand, two hundred four".