1223012032 has 56 divisors (see below), whose sum is σ = 2668584960. Its totient is φ = 551496960.

The previous prime is 1223012029. The next prime is 1223012053. The reversal of 1223012032 is 2302103221.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1223011997 and 1223012015.

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, 82569 + ... + 96247.

Almost surely, 2^1223012032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334292480).

1223012032 is an abundant number, since it is smaller than the sum of its proper divisors (1445572928).

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

1223012032 is a wasteful number, since it uses less digits than its factorization.

1223012032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13829 (or 13819 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1223012032 is about 34971.5889258695. The cubic root of 1223012032 is about 1069.4083642244.

Adding to 1223012032 its reverse (2302103221), we get a palindrome (3525115253).

The spelling of 1223012032 in words is "one billion, two hundred twenty-three million, twelve thousand, thirty-two".