2112421523300 has 72 divisors (see below), whose sum is σ = 5009437104672. Its totient is φ = 766807776000.

The previous prime is 2112421523299. The next prime is 2112421523321. The reversal of 2112421523300 is 33251242112.

It is a self number, because there is not a number n which added to its sum of digits gives 2112421523300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1053497 + ... + 2309696.

Almost surely, 2^{2112421523300} is an apocalyptic number.

2112421523300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112421523300 is an abundant number, since it is smaller than the sum of its proper divisors (2897015581372).

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

2112421523300 is a wasteful number, since it uses less digits than its factorization.

2112421523300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363789 (or 3363782 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 2112421523300 its reverse (33251242112), we get a palindrome (2145672765412).

The spelling of 2112421523300 in words is "two trillion, one hundred twelve billion, four hundred twenty-one million, five hundred twenty-three thousand, three hundred".