12615454000 has 160 divisors (see below), whose sum is σ = 32611662720. Its totient is φ = 4708352000.

The previous prime is 12615453953. The next prime is 12615454009. The reversal of 12615454000 is 45451621.

It is a super-2 number, since 2×12615454000² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12615454000.

It is not an unprimeable number, because it can be changed into a prime (12615454009) 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, 1882656 + ... + 1889344.

It is an arithmetic number, because the mean of its divisors is an integer number (203822892).

Almost surely, 2^12615454000 is an apocalyptic number.

12615454000 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 12615454000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16305831360).

12615454000 is an abundant number, since it is smaller than the sum of its proper divisors (19996208720).

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

12615454000 is a wasteful number, since it uses less digits than its factorization.

12615454000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6776 (or 6760 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 12615454000 in words is "twelve billion, six hundred fifteen million, four hundred fifty-four thousand".