32211609012 has 96 divisors (see below), whose sum is σ = 91237708800. Its totient is φ = 9746719200.

The previous prime is 32211609011. The next prime is 32211609013. The reversal of 32211609012 is 21090611223.

32211609012 is a `hidden beast` number, since 32 + 2 + 11 + 609 + 0 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (32211609011) and next prime (32211609013).

It is a super-2 number, since 2×32211609012² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32211609011) by changing a digit.

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, 801289 + ... + 840527.

It is an arithmetic number, because the mean of its divisors is an integer number (950392800).

Almost surely, 2^32211609012 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 32211609012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45618854400).

32211609012 is an abundant number, since it is smaller than the sum of its proper divisors (59026099788).

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

32211609012 is a wasteful number, since it uses less digits than its factorization.

32211609012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39954 (or 39946 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 32211609012 in words is "thirty-two billion, two hundred eleven million, six hundred nine thousand, twelve".