221212304003044 has 24 divisors (see below), whose sum is σ = 392579269524288. Its totient is φ = 109046840659680.

The previous prime is 221212304002873. The next prime is 221212304003057. The reversal of 221212304003044 is 440300403212122.

It is a super-2 number, since 2×221212304003044² (a number of 29 digits) contains 22 as substring.

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, 15857019 + ... + 26341405.

It is an arithmetic number, because the mean of its divisors is an integer number (16357469563512).

Almost surely, 2^{221212304003044} is an apocalyptic number.

It is an amenable number.

221212304003044 is a deficient number, since it is larger than the sum of its proper divisors (171366965521244).

221212304003044 is a wasteful number, since it uses less digits than its factorization.

221212304003044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10558755 (or 10558753 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 221212304003044 its reverse (440300403212122), we get a palindrome (661512707215166).

The spelling of 221212304003044 in words is "two hundred twenty-one trillion, two hundred twelve billion, three hundred four million, three thousand, forty-four".