12401551104 has 144 divisors (see below), whose sum is σ = 34824854400. Its totient is φ = 3907104768.

The previous prime is 12401551103. The next prime is 12401551111. The reversal of 12401551104 is 40115510421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401551103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9031762 + ... + 9033134.

Almost surely, 2^12401551104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12401551104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17412427200).

12401551104 is an abundant number, since it is smaller than the sum of its proper divisors (22423303296).

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

12401551104 is a wasteful number, since it uses less digits than its factorization.

12401551104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 2016 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The spelling of 12401551104 in words is "twelve billion, four hundred one million, five hundred fifty-one thousand, one hundred four".