32501551212 has 96 divisors (see below), whose sum is σ = 90815424000. Its totient is φ = 9992725056.

The previous prime is 32501551163. The next prime is 32501551213. The reversal of 32501551212 is 21215510523.

32501551212 is a `hidden beast` number, since 32 + 501 + 5 + 5 + 121 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (32501551213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1955923 + ... + 1972469.

It is an arithmetic number, because the mean of its divisors is an integer number (945994000).

Almost surely, 2^32501551212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32501551212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45407712000).

32501551212 is an abundant number, since it is smaller than the sum of its proper divisors (58313872788).

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

32501551212 is a wasteful number, since it uses less digits than its factorization.

32501551212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17972 (or 17964 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 32501551212 in words is "thirty-two billion, five hundred one million, five hundred fifty-one thousand, two hundred twelve".