11223442403212 has 48 divisors (see below), whose sum is σ = 21214957962240. Its totient is φ = 5164620107328.

The previous prime is 11223442403197. The next prime is 11223442403231. The reversal of 11223442403212 is 21230424432211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27771063 + ... + 28172305.

It is an arithmetic number, because the mean of its divisors is an integer number (441978290880).

Almost surely, 2^{11223442403212} is an apocalyptic number.

It is an amenable number.

11223442403212 is a deficient number, since it is larger than the sum of its proper divisors (9991515559028).

11223442403212 is a wasteful number, since it uses less digits than its factorization.

11223442403212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402862 (or 402860 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 11223442403212 its reverse (21230424432211), we get a palindrome (32453866835423).

The spelling of 11223442403212 in words is "eleven trillion, two hundred twenty-three billion, four hundred forty-two million, four hundred three thousand, two hundred twelve".