1213032430 has 16 divisors (see below), whose sum is σ = 2183855904. Its totient is φ = 485124640.

The previous prime is 1213032421. The next prime is 1213032461. The reversal of 1213032430 is 342303121.

It is a junction number, because it is equal to n+sod(n) for n = 1213032398 and 1213032407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96615 + ... + 108445.

It is an arithmetic number, because the mean of its divisors is an integer number (136490994).

Almost surely, 2^1213032430 is an apocalyptic number.

1213032430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213032430 is a deficient number, since it is larger than the sum of its proper divisors (970823474).

1213032430 is a wasteful number, since it uses less digits than its factorization.

1213032430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22091.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1213032430 is about 34828.6151031016. The cubic root of 1213032430 is about 1066.4916771317.

Adding to 1213032430 its reverse (342303121), we get a palindrome (1555335551).

The spelling of 1213032430 in words is "one billion, two hundred thirteen million, thirty-two thousand, four hundred thirty".