12139152600 has 192 divisors, whose sum is σ = 40026679200. Its totient is φ = 3032801280.

The previous prime is 12139152569. The next prime is 12139152607. The reversal of 12139152600 is 625193121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12139152607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2333202 + ... + 2338398.

Almost surely, 2^12139152600 is an apocalyptic number.

12139152600 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 12139152600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20013339600).

12139152600 is an abundant number, since it is smaller than the sum of its proper divisors (27887526600).

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

12139152600 is a wasteful number, since it uses less digits than its factorization.

12139152600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462 (or 5453 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The spelling of 12139152600 in words is "twelve billion, one hundred thirty-nine million, one hundred fifty-two thousand, six hundred".