1232133213 has 8 divisors (see below), whose sum is σ = 1645386048. Its totient is φ = 820151264.

The previous prime is 1232133143. The next prime is 1232133229. The reversal of 1232133213 is 3123312321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1232133213 - 2¹⁰ = 1232132189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1232133213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232133013) 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, 315456 + ... + 319337.

It is an arithmetic number, because the mean of its divisors is an integer number (205673256).

Almost surely, 2^1232133213 is an apocalyptic number.

It is an amenable number.

1232133213 is a deficient number, since it is larger than the sum of its proper divisors (413252835).

1232133213 is an equidigital number, since it uses as much as digits as its factorization.

1232133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635443.

The product of its digits is 648, while the sum is 21.

The square root of 1232133213 is about 35101.7551270588. The cubic root of 1232133213 is about 1072.0603191188.

Adding to 1232133213 its reverse (3123312321), we get a palindrome (4355445534).

The spelling of 1232133213 in words is "one billion, two hundred thirty-two million, one hundred thirty-three thousand, two hundred thirteen".