11123234412 has 24 divisors (see below), whose sum is σ = 25956596736. Its totient is φ = 3707404368.

The previous prime is 11123234407. The next prime is 11123234413. The reversal of 11123234412 is 21443232111.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11123234413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117733 + ... + 190019.

It is an arithmetic number, because the mean of its divisors is an integer number (1081524864).

Almost surely, 2^11123234412 is an apocalyptic number.

11123234412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11123234412 is an abundant number, since it is smaller than the sum of its proper divisors (14833362324).

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

11123234412 is a wasteful number, since it uses less digits than its factorization.

11123234412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85117 (or 85115 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 11123234412 its reverse (21443232111), we get a palindrome (32566466523).

The spelling of 11123234412 in words is "eleven billion, one hundred twenty-three million, two hundred thirty-four thousand, four hundred twelve".