12308211126 has 24 divisors (see below), whose sum is σ = 26684325720. Its totient is φ = 4100193216.

The previous prime is 12308211107. The next prime is 12308211127. The reversal of 12308211126 is 62111280321.

It is a super-2 number, since 2×12308211126² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12308211126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12308211127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182035 + ... + 240318.

It is an arithmetic number, because the mean of its divisors is an integer number (1111846905).

Almost surely, 2^12308211126 is an apocalyptic number.

12308211126 is an abundant number, since it is smaller than the sum of its proper divisors (14376114594).

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

12308211126 is a wasteful number, since it uses less digits than its factorization.

12308211126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423980 (or 423977 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 12308211126 its reverse (62111280321), we get a palindrome (74419491447).

The spelling of 12308211126 in words is "twelve billion, three hundred eight million, two hundred eleven thousand, one hundred twenty-six".