32120233002221 has 36 divisors (see below), whose sum is σ = 40683160230804. Its totient is φ = 25273401753600.

The previous prime is 32120233002113. The next prime is 32120233002227. The reversal of 32120233002221 is 12220033202123.

It can be written as a sum of positive squares in 6 ways, for example, as 22819623906121 + 9300609096100 = 4776989^2 + 3049690^2 .

It is not a de Polignac number, because 32120233002221 - 2¹⁸ = 32120232740077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32120233002227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9216020 + ... + 12213741.

It is an arithmetic number, because the mean of its divisors is an integer number (1130087784189).

Almost surely, 2^{32120233002221} is an apocalyptic number.

It is an amenable number.

32120233002221 is a deficient number, since it is larger than the sum of its proper divisors (8562927228583).

32120233002221 is a wasteful number, since it uses less digits than its factorization.

32120233002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21429982 (or 21429962 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 32120233002221 its reverse (12220033202123), we get a palindrome (44340266204344).

The spelling of 32120233002221 in words is "thirty-two trillion, one hundred twenty billion, two hundred thirty-three million, two thousand, two hundred twenty-one".