32001221013 has 16 divisors (see below), whose sum is σ = 43217107200. Its totient is φ = 21059850240.

The previous prime is 32001220961. The next prime is 32001221023. The reversal of 32001221013 is 31012210023.

It is not a de Polignac number, because 32001221013 - 2⁹ = 32001220501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32001220983 and 32001221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32001221023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1537033 + ... + 1557713.

It is an arithmetic number, because the mean of its divisors is an integer number (2701069200).

Almost surely, 2^32001221013 is an apocalyptic number.

It is an amenable number.

32001221013 is a deficient number, since it is larger than the sum of its proper divisors (11215886187).

32001221013 is a wasteful number, since it uses less digits than its factorization.

32001221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27292.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 32001221013 its reverse (31012210023), we get a palindrome (63013431036).

The spelling of 32001221013 in words is "thirty-two billion, one million, two hundred twenty-one thousand, thirteen".