32212078272 has 224 divisors, whose sum is σ = 104315727360. Its totient is φ = 9665879040.

The previous prime is 32212078247. The next prime is 32212078291. The reversal of 32212078272 is 27287021223.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1949598 + ... + 1966050.

Almost surely, 2^32212078272 is an apocalyptic number.

32212078272 is a gapful number since it is divisible by the number (32) 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 32212078272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52157863680).

32212078272 is an abundant number, since it is smaller than the sum of its proper divisors (72103649088).

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

32212078272 is a wasteful number, since it uses less digits than its factorization.

32212078272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16588 (or 16572 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

Adding to 32212078272 its reverse (27287021223), we get a palindrome (59499099495).

The spelling of 32212078272 in words is "thirty-two billion, two hundred twelve million, seventy-eight thousand, two hundred seventy-two".