12031899300 has 144 divisors (see below), whose sum is σ = 38742312000. Its totient is φ = 3203366400.

The previous prime is 12031899289. The next prime is 12031899301. The reversal of 12031899300 is 399813021.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12031899301) 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, 1862476 + ... + 1868924.

Almost surely, 2^12031899300 is an apocalyptic number.

12031899300 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 12031899300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19371156000).

12031899300 is an abundant number, since it is smaller than the sum of its proper divisors (26710412700).

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

12031899300 is a wasteful number, since it uses less digits than its factorization.

12031899300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7163 (or 7150 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 12031899300 in words is "twelve billion, thirty-one million, eight hundred ninety-nine thousand, three hundred".