212304013444 has 24 divisors (see below), whose sum is σ = 376847545536. Its totient is φ = 104644020000.

The previous prime is 212304013403. The next prime is 212304013451. The reversal of 212304013444 is 444310403212.

It is a super-2 number, since 2×212304013444² (a number of 23 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, 1262467 + ... + 1420714.

It is an arithmetic number, because the mean of its divisors is an integer number (15701981064).

Almost surely, 2^212304013444 is an apocalyptic number.

It is an amenable number.

212304013444 is a deficient number, since it is larger than the sum of its proper divisors (164543532092).

212304013444 is a wasteful number, since it uses less digits than its factorization.

212304013444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683467 (or 2683465 counting only the distinct ones).

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

Adding to 212304013444 its reverse (444310403212), we get a palindrome (656614416656).

The spelling of 212304013444 in words is "two hundred twelve billion, three hundred four million, thirteen thousand, four hundred forty-four".