12043423021412 has 24 divisors (see below), whose sum is σ = 22185366047040. Its totient is φ = 5704750239840.

The previous prime is 12043423021381. The next prime is 12043423021429. The reversal of 12043423021412 is 21412032434021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25239362 + ... + 25712102.

It is an arithmetic number, because the mean of its divisors is an integer number (924390251960).

Almost surely, 2^{12043423021412} is an apocalyptic number.

It is an amenable number.

12043423021412 is a deficient number, since it is larger than the sum of its proper divisors (10141943025628).

12043423021412 is a wasteful number, since it uses less digits than its factorization.

12043423021412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807971 (or 807969 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 12043423021412 its reverse (21412032434021), we get a palindrome (33455455455433).

The spelling of 12043423021412 in words is "twelve trillion, forty-three billion, four hundred twenty-three million, twenty-one thousand, four hundred twelve".