100432212321 has 16 divisors (see below), whose sum is σ = 159693456384. Its totient is φ = 54894625104.

The previous prime is 100432212319. The next prime is 100432212341. The reversal of 100432212321 is 123212234001.

It is not a de Polignac number, because 100432212321 - 2¹ = 100432212319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (100432212341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103966611 + ... + 103967576.

It is an arithmetic number, because the mean of its divisors is an integer number (9980841024).

Almost surely, 2^100432212321 is an apocalyptic number.

It is an amenable number.

100432212321 is a deficient number, since it is larger than the sum of its proper divisors (59261244063).

100432212321 is a wasteful number, since it uses less digits than its factorization.

100432212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207934220.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 100432212321 its reverse (123212234001), we get a palindrome (223644446322).

The spelling of 100432212321 in words is "one hundred billion, four hundred thirty-two million, two hundred twelve thousand, three hundred twenty-one".