12351400404 has 72 divisors (see below), whose sum is σ = 33592684608. Its totient is φ = 3521871360.

The previous prime is 12351400387. The next prime is 12351400409. The reversal of 12351400404 is 40400415321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12351400409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274884 + ... + 316644.

It is an arithmetic number, because the mean of its divisors is an integer number (466565064).

Almost surely, 2^12351400404 is an apocalyptic number.

12351400404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12351400404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16796342304).

12351400404 is an abundant number, since it is smaller than the sum of its proper divisors (21241284204).

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

12351400404 is a wasteful number, since it uses less digits than its factorization.

12351400404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42285 (or 42276 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 12351400404 its reverse (40400415321), we get a palindrome (52751815725).

The spelling of 12351400404 in words is "twelve billion, three hundred fifty-one million, four hundred thousand, four hundred four".