1213210232 has 16 divisors (see below), whose sum is σ = 2449751640. Its totient is φ = 559943136.

The previous prime is 1213210181. The next prime is 1213210259. The reversal of 1213210232 is 2320123121.

It is a self number, because there is not a number n which added to its sum of digits gives 1213210232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5832638 + ... + 5832845.

Almost surely, 2^1213210232 is an apocalyptic number.

It is an amenable number.

1213210232 is an abundant number, since it is smaller than the sum of its proper divisors (1236541408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213210232 is a wasteful number, since it uses less digits than its factorization.

1213210232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11665502 (or 11665498 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1213210232 is about 34831.1675371355. The cubic root of 1213210232 is about 1066.5437821111.

Adding to 1213210232 its reverse (2320123121), we get a palindrome (3533333353).

The spelling of 1213210232 in words is "one billion, two hundred thirteen million, two hundred ten thousand, two hundred thirty-two".