32121200002104 has 32 divisors (see below), whose sum is σ = 89225555562000. Its totient is φ = 10707066667296.

The previous prime is 32121200002081. The next prime is 32121200002153. The reversal of 32121200002104 is 40120000212123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 7 ways as a sum of consecutive naturals, for example, 74354629419 + ... + 74354629850.

Almost surely, 2^{32121200002104} is an apocalyptic number.

It is an amenable number.

32121200002104 is an abundant number, since it is smaller than the sum of its proper divisors (57104355559896).

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

32121200002104 is a wasteful number, since it uses less digits than its factorization.

32121200002104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148709259284 (or 148709259274 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 32121200002104 its reverse (40120000212123), we get a palindrome (72241200214227).

The spelling of 32121200002104 in words is "thirty-two trillion, one hundred twenty-one billion, two hundred million, two thousand, one hundred four".