4012023311322 has 64 divisors (see below), whose sum is σ = 8765458281216. Its totient is φ = 1216738897920.

The previous prime is 4012023311297. The next prime is 4012023311371. The reversal of 4012023311322 is 2231133202104.

It is a super-2 number, since 2×4012023311322² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4012023311292 and 4012023311301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19908538 + ... + 20109050.

It is an arithmetic number, because the mean of its divisors is an integer number (136960285644).

Almost surely, 2^{4012023311322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4012023311322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4382729140608).

4012023311322 is an abundant number, since it is smaller than the sum of its proper divisors (4753434969894).

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

4012023311322 is a wasteful number, since it uses less digits than its factorization.

4012023311322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204215.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 4012023311322 its reverse (2231133202104), we get a palindrome (6243156513426).

The spelling of 4012023311322 in words is "four trillion, twelve billion, twenty-three million, three hundred eleven thousand, three hundred twenty-two".