32221110012 has 96 divisors (see below), whose sum is σ = 94789438464. Its totient is φ = 8290598400.

The previous prime is 32221109989. The next prime is 32221110023. The reversal of 32221110012 is 21001112223.

It is a super-3 number, since 3×32221110012³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32221109973 and 32221110000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315064 + ... + 404607.

It is an arithmetic number, because the mean of its divisors is an integer number (987389984).

Almost surely, 2^32221110012 is an apocalyptic number.

It is an amenable number.

32221110012 is an abundant number, since it is smaller than the sum of its proper divisors (62568328452).

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

32221110012 is a wasteful number, since it uses less digits than its factorization.

32221110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719739 (or 719737 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 32221110012 its reverse (21001112223), we get a palindrome (53222222235).

The spelling of 32221110012 in words is "thirty-two billion, two hundred twenty-one million, one hundred ten thousand, twelve".