22001303012 has 48 divisors (see below), whose sum is σ = 42954745344. Its totient is φ = 9791712000.

The previous prime is 22001302991. The next prime is 22001303021. The reversal of 22001303012 is 21030310022.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428687 + ... + 477257.

It is an arithmetic number, because the mean of its divisors is an integer number (894890528).

Almost surely, 2^22001303012 is an apocalyptic number.

It is an amenable number.

22001303012 is a deficient number, since it is larger than the sum of its proper divisors (20953442332).

22001303012 is a wasteful number, since it uses less digits than its factorization.

22001303012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48900 (or 48898 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 22001303012 its reverse (21030310022), we get a palindrome (43031613034).

The spelling of 22001303012 in words is "twenty-two billion, one million, three hundred three thousand, twelve".