2243140323112 has 64 divisors (see below), whose sum is σ = 4551887208960. Its totient is φ = 1030161888000.

The previous prime is 2243140323101. The next prime is 2243140323139. The reversal of 2243140323112 is 2113230413422.

It is a super-2 number, since 2×2243140323112² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138261033 + ... + 138277255.

It is an arithmetic number, because the mean of its divisors is an integer number (71123237640).

Almost surely, 2^{2243140323112} 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 2243140323112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2275943604480).

2243140323112 is an abundant number, since it is smaller than the sum of its proper divisors (2308746885848).

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

2243140323112 is a wasteful number, since it uses less digits than its factorization.

2243140323112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22754 (or 22750 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2243140323112 its reverse (2113230413422), we get a palindrome (4356370736534).

The spelling of 2243140323112 in words is "two trillion, two hundred forty-three billion, one hundred forty million, three hundred twenty-three thousand, one hundred twelve".