22103000021312 has 84 divisors (see below), whose sum is σ = 52780926002580. Its totient is φ = 9146068936704.

The previous prime is 22103000021231. The next prime is 22103000021317. The reversal of 22103000021312 is 21312000030122.

It can be written as a sum of positive squares in 2 ways, for example, as 12912983519296 + 9190016502016 = 3593464^2 + 3031504^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22103000021317) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 121428893 + ... + 121610780.

Almost surely, 2^{22103000021312} is an apocalyptic number.

It is an amenable number.

22103000021312 is an abundant number, since it is smaller than the sum of its proper divisors (30677925981268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22103000021312 is a wasteful number, since it uses less digits than its factorization.

22103000021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243039728 (or 243039711 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22103000021312 its reverse (21312000030122), we get a palindrome (43415000051434).

The spelling of 22103000021312 in words is "twenty-two trillion, one hundred three billion, twenty-one thousand, three hundred twelve".