1213434412 has 6 divisors (see below), whose sum is σ = 2123510228. Its totient is φ = 606717204.

The previous prime is 1213434379. The next prime is 1213434413. The reversal of 1213434412 is 2144343121.

It is not an unprimeable number, because it can be changed into a prime (1213434413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151679298 + ... + 151679305.

Almost surely, 2^1213434412 is an apocalyptic number.

It is an amenable number.

1213434412 is a deficient number, since it is larger than the sum of its proper divisors (910075816).

1213434412 is a wasteful number, since it uses less digits than its factorization.

1213434412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303358607 (or 303358605 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 1213434412 is about 34834.3854833123. The cubic root of 1213434412 is about 1066.6094709349.

Adding to 1213434412 its reverse (2144343121), we get a palindrome (3357777533).

The spelling of 1213434412 in words is "one billion, two hundred thirteen million, four hundred thirty-four thousand, four hundred twelve".