12233402142 has 32 divisors (see below), whose sum is σ = 26991528480. Its totient is φ = 3672314880.

The previous prime is 12233402107. The next prime is 12233402179. The reversal of 12233402142 is 24120433221.

It is a happy number.

It is a super-2 number, since 2×12233402142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1909467 + ... + 1915862.

It is an arithmetic number, because the mean of its divisors is an integer number (843485265).

Almost surely, 2^12233402142 is an apocalyptic number.

12233402142 is an abundant number, since it is smaller than the sum of its proper divisors (14758126338).

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

12233402142 is a wasteful number, since it uses less digits than its factorization.

12233402142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825388.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12233402142 its reverse (24120433221), we get a palindrome (36353835363).

The spelling of 12233402142 in words is "twelve billion, two hundred thirty-three million, four hundred two thousand, one hundred forty-two".