12047400000 has 672 divisors, whose sum is σ = 46669512960. Its totient is φ = 3041280000.

The previous prime is 12047399993. The next prime is 12047400041. The reversal of 12047400000 is 474021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 124199952 + ... + 124200048.

It is an arithmetic number, because the mean of its divisors is an integer number (69448680).

Almost surely, 2^12047400000 is an apocalyptic number.

12047400000 is a gapful number since it is divisible by the number (10) 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 12047400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23334756480).

12047400000 is an abundant number, since it is smaller than the sum of its proper divisors (34622112960).

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

12047400000 is an frugal number, since it uses more digits than its factorization.

12047400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

Adding to 12047400000 its reverse (474021), we get a palindrome (12047874021).

The spelling of 12047400000 in words is "twelve billion, forty-seven million, four hundred thousand".