2311144204012 has 24 divisors (see below), whose sum is σ = 4685607431456. Its totient is φ = 976922011008.

The previous prime is 2311144204001. The next prime is 2311144204049. The reversal of 2311144204012 is 2104024411132.

It is a super-2 number, since 2×2311144204012² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565346343 + ... + 565350430.

Almost surely, 2^{2311144204012} is an apocalyptic number.

It is an amenable number.

2311144204012 is an abundant number, since it is smaller than the sum of its proper divisors (2374463227444).

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

2311144204012 is a wasteful number, since it uses less digits than its factorization.

2311144204012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130696857 (or 1130696855 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 2311144204012 its reverse (2104024411132), we get a palindrome (4415168615144).

The spelling of 2311144204012 in words is "two trillion, three hundred eleven billion, one hundred forty-four million, two hundred four thousand, twelve".