32120221231021 has 8 divisors (see below), whose sum is σ = 40045990106304. Its totient is φ = 25028743816320.

The previous prime is 32120221231019. The next prime is 32120221231093. The reversal of 32120221231021 is 12013212202123.

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

It is a cyclic number.

It is not a de Polignac number, because 32120221231021 - 2¹ = 32120221231019 is a prime.

It is a super-2 number, since 2×32120221231021² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32120221230983 and 32120221231001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32120221231921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208572865060 + ... + 208572865213.

It is an arithmetic number, because the mean of its divisors is an integer number (5005748763288).

Almost surely, 2^{32120221231021} is an apocalyptic number.

It is an amenable number.

32120221231021 is a deficient number, since it is larger than the sum of its proper divisors (7925768875283).

32120221231021 is a wasteful number, since it uses less digits than its factorization.

32120221231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417145730291.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 32120221231021 its reverse (12013212202123), we get a palindrome (44133433433144).

The spelling of 32120221231021 in words is "thirty-two trillion, one hundred twenty billion, two hundred twenty-one million, two hundred thirty-one thousand, twenty-one".