12004401012 has 24 divisors (see below), whose sum is σ = 29657932416. Its totient is φ = 3766086528.

The previous prime is 12004401011. The next prime is 12004401023. The reversal of 12004401012 is 21010440021.

It is a junction number, because it is equal to n+sod(n) for n = 12004400982 and 12004401000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004401011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29422348 + ... + 29422755.

It is an arithmetic number, because the mean of its divisors is an integer number (1235747184).

Almost surely, 2^12004401012 is an apocalyptic number.

12004401012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12004401012 is an abundant number, since it is smaller than the sum of its proper divisors (17653531404).

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

12004401012 is a wasteful number, since it uses less digits than its factorization.

12004401012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58845127 (or 58845125 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12004401012 its reverse (21010440021), we get a palindrome (33014841033).

The spelling of 12004401012 in words is "twelve billion, four million, four hundred one thousand, twelve".