3201112021420 has 96 divisors (see below), whose sum is σ = 7089865187328. Its totient is φ = 1211644127232.

The previous prime is 3201112021391. The next prime is 3201112021423. The reversal of 3201112021420 is 241202111023.

It is not an unprimeable number, because it can be changed into a prime (3201112021423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118095589 + ... + 118122691.

It is an arithmetic number, because the mean of its divisors is an integer number (73852762368).

Almost surely, 2^{3201112021420} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3201112021420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3544932593664).

3201112021420 is an abundant number, since it is smaller than the sum of its proper divisors (3888753165908).

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

3201112021420 is a wasteful number, since it uses less digits than its factorization.

3201112021420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29879 (or 29877 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 3201112021420 its reverse (241202111023), we get a palindrome (3442314132443).

The spelling of 3201112021420 in words is "three trillion, two hundred one billion, one hundred twelve million, twenty-one thousand, four hundred twenty".