22001345563012 has 48 divisors (see below), whose sum is σ = 41658918658560. Its totient is φ = 10134566926848.

The previous prime is 22001345562997. The next prime is 22001345563019. The reversal of 22001345563012 is 21036554310022.

It is not an unprimeable number, because it can be changed into a prime (22001345563019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23713428 + ... + 24623755.

It is an arithmetic number, because the mean of its divisors is an integer number (867894138720).

Almost surely, 2^{22001345563012} is an apocalyptic number.

It is an amenable number.

22001345563012 is a deficient number, since it is larger than the sum of its proper divisors (19657573095548).

22001345563012 is a wasteful number, since it uses less digits than its factorization.

22001345563012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48337372 (or 48337370 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 22001345563012 its reverse (21036554310022), we get a palindrome (43037899873034).

The spelling of 22001345563012 in words is "twenty-two trillion, one billion, three hundred forty-five million, five hundred sixty-three thousand, twelve".