223000021212100 has 72 divisors (see below), whose sum is σ = 533128619834496. Its totient is φ = 80288036400000.

The previous prime is 223000021212097. The next prime is 223000021212103. The reversal of 223000021212100 is 1212120000322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (223000021212097) and next prime (223000021212103).

It is not an unprimeable number, because it can be changed into a prime (223000021212103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1003489356 + ... + 1003711555.

It is an arithmetic number, because the mean of its divisors is an integer number (7404564164368).

Almost surely, 2^{223000021212100} is an apocalyptic number.

223000021212100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223000021212100 is an abundant number, since it is smaller than the sum of its proper divisors (310128598622396).

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

223000021212100 is a wasteful number, since it uses less digits than its factorization.

223000021212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007201037 (or 2007201030 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 223000021212100 its reverse (1212120000322), we get a palindrome (224212141212422).

The spelling of 223000021212100 in words is "two hundred twenty-three trillion, twenty-one million, two hundred twelve thousand, one hundred".