1213471204 has 24 divisors (see below), whose sum is σ = 2319383808. Its totient is φ = 550921440.

The previous prime is 1213471201. The next prime is 1213471211. The reversal of 1213471204 is 4021743121.

It is not an unprimeable number, because it can be changed into a prime (1213471201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21994 + ... + 53950.

It is an arithmetic number, because the mean of its divisors is an integer number (96640992).

Almost surely, 2^1213471204 is an apocalyptic number.

It is an amenable number.

1213471204 is a deficient number, since it is larger than the sum of its proper divisors (1105912604).

1213471204 is a wasteful number, since it uses less digits than its factorization.

1213471204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32835 (or 32833 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1213471204 is about 34834.9135781905. The cubic root of 1213471204 is about 1066.6202508882.

It can be divided in two parts, 12134 and 71204, that added together give a palindrome (83338).

The spelling of 1213471204 in words is "one billion, two hundred thirteen million, four hundred seventy-one thousand, two hundred four".