1232213142 has 32 divisors (see below), whose sum is σ = 2619151200. Its totient is φ = 385131008.

The previous prime is 1232213131. The next prime is 1232213149. The reversal of 1232213142 is 2413122321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232213149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4984 + ... + 49892.

It is an arithmetic number, because the mean of its divisors is an integer number (81848475).

Almost surely, 2^1232213142 is an apocalyptic number.

1232213142 is an abundant number, since it is smaller than the sum of its proper divisors (1386938058).

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

1232213142 is a wasteful number, since it uses less digits than its factorization.

1232213142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45200.

The product of its digits is 576, while the sum is 21.

The square root of 1232213142 is about 35102.8936414080. The cubic root of 1232213142 is about 1072.0835002856.

Adding to 1232213142 its reverse (2413122321), we get a palindrome (3645335463).

The spelling of 1232213142 in words is "one billion, two hundred thirty-two million, two hundred thirteen thousand, one hundred forty-two".