32212201200 has 120 divisors (see below), whose sum is σ = 103373816688. Its totient is φ = 8574320640.

The previous prime is 32212201183. The next prime is 32212201207. The reversal of 32212201200 is 210221223.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×32212201200² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 32212201200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32212201207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 644304 + ... + 692496.

Almost surely, 2^32212201200 is an apocalyptic number.

32212201200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32212201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51686908344).

32212201200 is an abundant number, since it is smaller than the sum of its proper divisors (71161615488).

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

32212201200 is a wasteful number, since it uses less digits than its factorization.

32212201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48771 (or 48760 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 32212201200 its reverse (210221223), we get a palindrome (32422422423).

The spelling of 32212201200 in words is "thirty-two billion, two hundred twelve million, two hundred one thousand, two hundred".