223212012042444 has 48 divisors (see below), whose sum is σ = 525007302758400. Its totient is φ = 73807139480256.

The previous prime is 223212012042427. The next prime is 223212012042583. The reversal of 223212012042444 is 444240210212322.

223212012042444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223212012042444³ (a number of 44 digits) contains 333 as substring.

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, 691014 + ... + 21140045.

It is an arithmetic number, because the mean of its divisors is an integer number (10937652140800).

Almost surely, 2^{223212012042444} is an apocalyptic number.

It is an amenable number.

223212012042444 is an abundant number, since it is smaller than the sum of its proper divisors (301795290715956).

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

223212012042444 is a wasteful number, since it uses less digits than its factorization.

223212012042444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21837902 (or 21837900 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 223212012042444 its reverse (444240210212322), we get a palindrome (667452222254766).

The spelling of 223212012042444 in words is "two hundred twenty-three trillion, two hundred twelve billion, twelve million, forty-two thousand, four hundred forty-four".