221200123332 has 24 divisors (see below), whose sum is σ = 516349372896. Its totient is φ = 73702552768.

The previous prime is 221200123327. The next prime is 221200123373. The reversal of 221200123332 is 233321002122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221200123299 and 221200123308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3822798 + ... + 3880229.

It is an arithmetic number, because the mean of its divisors is an integer number (21514557204).

Almost surely, 2^221200123332 is an apocalyptic number.

It is an amenable number.

221200123332 is an abundant number, since it is smaller than the sum of its proper divisors (295149249564).

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

221200123332 is a wasteful number, since it uses less digits than its factorization.

221200123332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7705427 (or 7705425 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 221200123332 its reverse (233321002122), we get a palindrome (454521125454).

The spelling of 221200123332 in words is "two hundred twenty-one billion, two hundred million, one hundred twenty-three thousand, three hundred thirty-two".