12100020019974 has 192 divisors, whose sum is σ = 28761213212160. Its totient is φ = 3663343272960.

The previous prime is 12100020019973. The next prime is 12100020020041. The reversal of 12100020019974 is 47991002000121.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100020019973) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 436857294 + ... + 436884990.

It is an arithmetic number, because the mean of its divisors is an integer number (149797985480).

Almost surely, 2^{12100020019974} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12100020019974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14380606606080).

12100020019974 is an abundant number, since it is smaller than the sum of its proper divisors (16661193192186).

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

12100020019974 is a wasteful number, since it uses less digits than its factorization.

12100020019974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28315 (or 28312 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The spelling of 12100020019974 in words is "twelve trillion, one hundred billion, twenty million, nineteen thousand, nine hundred seventy-four".