12194075712 has 336 divisors, whose sum is σ = 40716768960. Its totient is φ = 3192311808.

The previous prime is 12194075603. The next prime is 12194075713. The reversal of 12194075712 is 21757049121.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (12194075713) 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, 21892138 + ... + 21892694.

It is an arithmetic number, because the mean of its divisors is an integer number (121180860).

Almost surely, 2^12194075712 is an apocalyptic number.

12194075712 is a gapful number since it is divisible by the number (12) 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 12194075712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20358384480).

12194075712 is an abundant number, since it is smaller than the sum of its proper divisors (28522693248).

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

12194075712 is a wasteful number, since it uses less digits than its factorization.

12194075712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The spelling of 12194075712 in words is "twelve billion, one hundred ninety-four million, seventy-five thousand, seven hundred twelve".