32120221001 has 4 divisors (see below), whose sum is σ = 35040241104. Its totient is φ = 29200200900.

The previous prime is 32120220973. The next prime is 32120221019. The reversal of 32120221001 is 10012202123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32120221001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32120221201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460010035 + ... + 1460010056.

It is an arithmetic number, because the mean of its divisors is an integer number (8760060276).

Almost surely, 2^32120221001 is an apocalyptic number.

It is an amenable number.

32120221001 is a deficient number, since it is larger than the sum of its proper divisors (2920020103).

32120221001 is a wasteful number, since it uses less digits than its factorization.

32120221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920020102.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 32120221001 its reverse (10012202123), we get a palindrome (42132423124).

The spelling of 32120221001 in words is "thirty-two billion, one hundred twenty million, two hundred twenty-one thousand, one".