2012247191800 has 192 divisors, whose sum is σ = 4985343417600. Its totient is φ = 753984000000.

The previous prime is 2012247191749. The next prime is 2012247191827. The reversal of 2012247191800 is 81917422102.

It is a self number, because there is not a number n which added to its sum of digits gives 2012247191800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43018425 + ... + 43065175.

It is an arithmetic number, because the mean of its divisors is an integer number (25965330300).

Almost surely, 2^{2012247191800} is an apocalyptic number.

2012247191800 is a gapful number since it is divisible by the number (20) 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 2012247191800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2492671708800).

2012247191800 is an abundant number, since it is smaller than the sum of its proper divisors (2973096225800).

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

2012247191800 is a wasteful number, since it uses less digits than its factorization.

2012247191800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47018 (or 47009 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 2012247191800 in words is "two trillion, twelve billion, two hundred forty-seven million, one hundred ninety-one thousand, eight hundred".