32120021223100 has 18 divisors (see below), whose sum is σ = 69700446054344. Its totient is φ = 12848008489200.

The previous prime is 32120021223077. The next prime is 32120021223133. The reversal of 32120021223100 is 132212002123.

It is a super-2 number, since 2×32120021223100² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 160600106016 + ... + 160600106215.

Almost surely, 2^{32120021223100} is an apocalyptic number.

It is an amenable number.

32120021223100 is an abundant number, since it is smaller than the sum of its proper divisors (37580424831244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32120021223100 is a wasteful number, since it uses less digits than its factorization.

32120021223100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321200212245 (or 321200212238 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 32120021223100 its reverse (132212002123), we get a palindrome (32252233225223).

The spelling of 32120021223100 in words is "thirty-two trillion, one hundred twenty billion, twenty-one million, two hundred twenty-three thousand, one hundred".