12023431412 has 12 divisors (see below), whose sum is σ = 21530330976. Its totient is φ = 5871908280.

The previous prime is 12023431411. The next prime is 12023431421. The reversal of 12023431412 is 21413432021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023431411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34951664 + ... + 34952007.

It is an arithmetic number, because the mean of its divisors is an integer number (1794194248).

Almost surely, 2^12023431412 is an apocalyptic number.

It is an amenable number.

12023431412 is a deficient number, since it is larger than the sum of its proper divisors (9506899564).

12023431412 is a wasteful number, since it uses less digits than its factorization.

12023431412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69903718 (or 69903716 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12023431412 its reverse (21413432021), we get a palindrome (33436863433).

The spelling of 12023431412 in words is "twelve billion, twenty-three million, four hundred thirty-one thousand, four hundred twelve".