22001331230012 has 48 divisors (see below), whose sum is σ = 38754172154880. Its totient is φ = 10928962647552.

The previous prime is 22001331229949. The next prime is 22001331230023. The reversal of 22001331230012 is 21003213310022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1548619013 + ... + 1548633219.

It is an arithmetic number, because the mean of its divisors is an integer number (807378586560).

Almost surely, 2^{22001331230012} is an apocalyptic number.

It is an amenable number.

22001331230012 is a deficient number, since it is larger than the sum of its proper divisors (16752840924868).

22001331230012 is a wasteful number, since it uses less digits than its factorization.

22001331230012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18470 (or 18468 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22001331230012 its reverse (21003213310022), we get a palindrome (43004544540034).

The spelling of 22001331230012 in words is "twenty-two trillion, one billion, three hundred thirty-one million, two hundred thirty thousand, twelve".