32120022013 has 4 divisors (see below), whose sum is σ = 32233520608. Its totient is φ = 32006523420.

The previous prime is 32120022001. The next prime is 32120022017. The reversal of 32120022013 is 31022002123.

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-32120022013 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 (32120022017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56748873 + ... + 56749438.

It is an arithmetic number, because the mean of its divisors is an integer number (8058380152).

Almost surely, 2^32120022013 is an apocalyptic number.

It is an amenable number.

32120022013 is a deficient number, since it is larger than the sum of its proper divisors (113498595).

32120022013 is a wasteful number, since it uses less digits than its factorization.

32120022013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113498594.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 32120022013 its reverse (31022002123), we get a palindrome (63142024136).

The spelling of 32120022013 in words is "thirty-two billion, one hundred twenty million, twenty-two thousand, thirteen".