32012212021 has 16 divisors (see below), whose sum is σ = 33354972288. Its totient is φ = 30698539200.

The previous prime is 32012211977. The next prime is 32012212087. The reversal of 32012212021 is 12021221023.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 32012212021 - 2¹¹ = 32012209973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32012211986 and 32012212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32012212121) 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 15 ways as a sum of consecutive naturals, for example, 1450056 + ... + 1471966.

It is an arithmetic number, because the mean of its divisors is an integer number (2084685768).

Almost surely, 2^32012212021 is an apocalyptic number.

It is an amenable number.

32012212021 is a deficient number, since it is larger than the sum of its proper divisors (1342760267).

32012212021 is a wasteful number, since it uses less digits than its factorization.

32012212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22572.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 32012212021 its reverse (12021221023), we get a palindrome (44033433044).

The spelling of 32012212021 in words is "thirty-two billion, twelve million, two hundred twelve thousand, twenty-one".