32013212421 has 8 divisors (see below), whose sum is σ = 43384025824. Its totient is φ = 20992270320.

The previous prime is 32013212381. The next prime is 32013212467. The reversal of 32013212421 is 12421231023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32013212421 - 2²² = 32009018117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32013212471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87467611 + ... + 87467976.

It is an arithmetic number, because the mean of its divisors is an integer number (5423003228).

Almost surely, 2^32013212421 is an apocalyptic number.

It is an amenable number.

32013212421 is a deficient number, since it is larger than the sum of its proper divisors (11370813403).

32013212421 is a wasteful number, since it uses less digits than its factorization.

32013212421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174935651.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 32013212421 its reverse (12421231023), we get a palindrome (44434443444).

The spelling of 32013212421 in words is "thirty-two billion, thirteen million, two hundred twelve thousand, four hundred twenty-one".