2331400221012 has 48 divisors (see below), whose sum is σ = 5496989585472. Its totient is φ = 769016202240.

The previous prime is 2331400220999. The next prime is 2331400221053. The reversal of 2331400221012 is 2101220041332.

It is a self number, because there is not a number n which added to its sum of digits gives 2331400221012.

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 15 ways as a sum of consecutive naturals, for example, 1545763 + ... + 2655594.

It is an arithmetic number, because the mean of its divisors is an integer number (114520616364).

Almost surely, 2^{2331400221012} is an apocalyptic number.

It is an amenable number.

2331400221012 is an abundant number, since it is smaller than the sum of its proper divisors (3165589364460).

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

2331400221012 is a wasteful number, since it uses less digits than its factorization.

2331400221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201848 (or 4201846 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2331400221012 its reverse (2101220041332), we get a palindrome (4432620262344).

The spelling of 2331400221012 in words is "two trillion, three hundred thirty-one billion, four hundred million, two hundred twenty-one thousand, twelve".