2112438802500 has 720 divisors, whose sum is σ = 7381263489600. Its totient is φ = 506030976000.

The previous prime is 2112438802489. The next prime is 2112438802553. The reversal of 2112438802500 is 52088342112.

It is a happy number.

2112438802500 is a `hidden beast` number, since 2 + 1 + 1 + 24 + 388 + 0 + 250 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1881066939 + ... + 1881068061.

Almost surely, 2^{2112438802500} is an apocalyptic number.

2112438802500 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 2112438802500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3690631744800).

2112438802500 is an abundant number, since it is smaller than the sum of its proper divisors (5268824687100).

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

2112438802500 is a wasteful number, since it uses less digits than its factorization.

2112438802500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 2112438802500 in words is "two trillion, one hundred twelve billion, four hundred thirty-eight million, eight hundred two thousand, five hundred".