32122200002100 has 144 divisors (see below), whose sum is σ = 100157080994880. Its totient is φ = 7901662694400.

The previous prime is 32122200002063. The next prime is 32122200002107. The reversal of 32122200002100 is 120000222123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 32122200002100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32122200002107) 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 47 ways as a sum of consecutive naturals, for example, 2995191 + ... + 8556609.

Almost surely, 2^{32122200002100} is an apocalyptic number.

32122200002100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32122200002100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50078540497440).

32122200002100 is an abundant number, since it is smaller than the sum of its proper divisors (68034880992780).

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

32122200002100 is a wasteful number, since it uses less digits than its factorization.

32122200002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5562930 (or 5562923 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 32122200002100 its reverse (120000222123), we get a palindrome (32242200224223).

The spelling of 32122200002100 in words is "thirty-two trillion, one hundred twenty-two billion, two hundred million, two thousand, one hundred".