32122120212 has 192 divisors, whose sum is σ = 103904335360. Its totient is φ = 8355529728.

The previous prime is 32122120201. The next prime is 32122120231. The reversal of 32122120212 is 21202122123.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 695058 + ... + 739830.

Almost surely, 2^32122120212 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 32122120212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51952167680).

32122120212 is an abundant number, since it is smaller than the sum of its proper divisors (71782215148).

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

32122120212 is a wasteful number, since it uses less digits than its factorization.

32122120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44879 (or 44871 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 32122120212 its reverse (21202122123), we get a palindrome (53324242335).

The spelling of 32122120212 in words is "thirty-two billion, one hundred twenty-two million, one hundred twenty thousand, two hundred twelve".