12192203800 has 48 divisors (see below), whose sum is σ = 32396430960. Its totient is φ = 4180183680.

The previous prime is 12192203753. The next prime is 12192203801. The reversal of 12192203800 is 830229121.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12192203801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4352959 + ... + 4355758.

It is an arithmetic number, because the mean of its divisors is an integer number (674925645).

Almost surely, 2^12192203800 is an apocalyptic number.

12192203800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12192203800 is an abundant number, since it is smaller than the sum of its proper divisors (20204227160).

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

12192203800 is a wasteful number, since it uses less digits than its factorization.

12192203800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8708740 (or 8708731 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 12192203800 in words is "twelve billion, one hundred ninety-two million, two hundred three thousand, eight hundred".