2012243202420 has 96 divisors (see below), whose sum is σ = 6149598174720. Its totient is φ = 487569720960.

The previous prime is 2012243202371. The next prime is 2012243202443. The reversal of 2012243202420 is 242023422102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 535839 + ... + 2076441.

It is an arithmetic number, because the mean of its divisors is an integer number (64058314320).

Almost surely, 2^{2012243202420} is an apocalyptic number.

2012243202420 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 2012243202420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3074799087360).

2012243202420 is an abundant number, since it is smaller than the sum of its proper divisors (4137354972300).

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

2012243202420 is a wasteful number, since it uses less digits than its factorization.

2012243202420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542605 (or 1542603 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 2012243202420 its reverse (242023422102), we get a palindrome (2254266624522).

The spelling of 2012243202420 in words is "two trillion, twelve billion, two hundred forty-three million, two hundred two thousand, four hundred twenty".