22102144012 has 24 divisors (see below), whose sum is σ = 41698398672. Its totient is φ = 10190126400.

The previous prime is 22102143983. The next prime is 22102144027. The reversal of 22102144012 is 21044120122.

It is a super-2 number, since 2×22102144012² (a number of 21 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, 176914 + ... + 274777.

It is an arithmetic number, because the mean of its divisors is an integer number (1737433278).

Almost surely, 2^22102144012 is an apocalyptic number.

It is an amenable number.

22102144012 is a deficient number, since it is larger than the sum of its proper divisors (19596254660).

22102144012 is a wasteful number, since it uses less digits than its factorization.

22102144012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452649 (or 452647 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22102144012 its reverse (21044120122), we get a palindrome (43146264134).

The spelling of 22102144012 in words is "twenty-two billion, one hundred two million, one hundred forty-four thousand, twelve".