1213429232 has 10 divisors (see below), whose sum is σ = 2351019168. Its totient is φ = 606714608.

The previous prime is 1213429229. The next prime is 1213429237. The reversal of 1213429232 is 2329243121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1213429195 and 1213429204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213429237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37919648 + ... + 37919679.

Almost surely, 2^1213429232 is an apocalyptic number.

It is an amenable number.

1213429232 is a deficient number, since it is larger than the sum of its proper divisors (1137589936).

1213429232 is an equidigital number, since it uses as much as digits as its factorization.

1213429232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75839335 (or 75839329 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 1213429232 is about 34834.3111314118. The cubic root of 1213429232 is about 1066.6079531919.

The spelling of 1213429232 in words is "one billion, two hundred thirteen million, four hundred twenty-nine thousand, two hundred thirty-two".