12012043413 has 32 divisors (see below), whose sum is σ = 17217736704. Its totient is φ = 7422492672.

The previous prime is 12012043399. The next prime is 12012043427. The reversal of 12012043413 is 31434021021.

It is an interprime number because it is at equal distance from previous prime (12012043399) and next prime (12012043427).

It is not a de Polignac number, because 12012043413 - 2⁶ = 12012043349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12012043413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012043453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 880581 + ... + 894117.

It is an arithmetic number, because the mean of its divisors is an integer number (538054272).

Almost surely, 2^12012043413 is an apocalyptic number.

It is an amenable number.

12012043413 is a deficient number, since it is larger than the sum of its proper divisors (5205693291).

12012043413 is a wasteful number, since it uses less digits than its factorization.

12012043413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13821.

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

Adding to 12012043413 its reverse (31434021021), we get a palindrome (43446064434).

The spelling of 12012043413 in words is "twelve billion, twelve million, forty-three thousand, four hundred thirteen".