1213203032 has 32 divisors (see below), whose sum is σ = 2355756480. Its totient is φ = 585342240.

The previous prime is 1213203031. The next prime is 1213203059. The reversal of 1213203032 is 2303023121.

It is a self number, because there is not a number n which added to its sum of digits gives 1213203032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213203031) 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, 7307 + ... + 49797.

It is an arithmetic number, because the mean of its divisors is an integer number (73617390).

Almost surely, 2^1213203032 is an apocalyptic number.

It is an amenable number.

1213203032 is a deficient number, since it is larger than the sum of its proper divisors (1142553448).

1213203032 is a wasteful number, since it uses less digits than its factorization.

1213203032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42623 (or 42619 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1213203032 is about 34831.0641812736. The cubic root of 1213203032 is about 1066.5416722458.

Adding to 1213203032 its reverse (2303023121), we get a palindrome (3516226153).

The spelling of 1213203032 in words is "one billion, two hundred thirteen million, two hundred three thousand, thirty-two".