12151574000 has 80 divisors (see below), whose sum is σ = 29577827136. Its totient is φ = 4828320000.

The previous prime is 12151573999. The next prime is 12151574011. The reversal of 12151574000 is 47515121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281882 + ... + 322118.

Almost surely, 2^12151574000 is an apocalyptic number.

12151574000 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 12151574000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14788913568).

12151574000 is an abundant number, since it is smaller than the sum of its proper divisors (17426253136).

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

12151574000 is a wasteful number, since it uses less digits than its factorization.

12151574000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40411 (or 40395 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The spelling of 12151574000 in words is "twelve billion, one hundred fifty-one million, five hundred seventy-four thousand".