111233023412 has 24 divisors (see below), whose sum is σ = 222589671360. Its totient is φ = 47644804800.

The previous prime is 111233023403. The next prime is 111233023427. The reversal of 111233023412 is 214320332111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052462 + ... + 1153317.

It is an arithmetic number, because the mean of its divisors is an integer number (9274569640).

Almost surely, 2^111233023412 is an apocalyptic number.

It is an amenable number.

111233023412 is an abundant number, since it is smaller than the sum of its proper divisors (111356647948).

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

111233023412 is a wasteful number, since it uses less digits than its factorization.

111233023412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207591 (or 2207589 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 111233023412 its reverse (214320332111), we get a palindrome (325553355523).

The spelling of 111233023412 in words is "one hundred eleven billion, two hundred thirty-three million, twenty-three thousand, four hundred twelve".