32122030021 has 4 divisors (see below), whose sum is σ = 33812663200. Its totient is φ = 30431396844.

The previous prime is 32122029997. The next prime is 32122030037. The reversal of 32122030021 is 12003022123.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12003022123 = 1019 ⋅11779217.

It is a cyclic number.

It is not a de Polignac number, because 32122030021 - 2²⁷ = 31987812293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32122029977 and 32122030004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32122030081) 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, 845316561 + ... + 845316598.

It is an arithmetic number, because the mean of its divisors is an integer number (8453165800).

Almost surely, 2^32122030021 is an apocalyptic number.

It is an amenable number.

32122030021 is a deficient number, since it is larger than the sum of its proper divisors (1690633179).

32122030021 is a wasteful number, since it uses less digits than its factorization.

32122030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690633178.

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

Adding to 32122030021 its reverse (12003022123), we get a palindrome (44125052144).

The spelling of 32122030021 in words is "thirty-two billion, one hundred twenty-two million, thirty thousand, twenty-one".