32123213100 has 162 divisors, whose sum is σ = 110674431140. Its totient is φ = 7787419200.

The previous prime is 32123213099. The next prime is 32123213137. The reversal of 32123213100 is 131232123.

32123213100 is a `hidden beast` number, since 32 + 1 + 2 + 321 + 310 + 0 = 666.

It is a super-2 number, since 2×32123213100² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

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 53 ways as a sum of consecutive naturals, for example, 38590 + ... + 256389.

Almost surely, 2^32123213100 is an apocalyptic number.

32123213100 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 32123213100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55337215570).

32123213100 is an abundant number, since it is smaller than the sum of its proper divisors (78551218040).

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

32123213100 is a wasteful number, since it uses less digits than its factorization.

32123213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295021 (or 295000 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 32123213100 its reverse (131232123), we get a palindrome (32254445223).

The spelling of 32123213100 in words is "thirty-two billion, one hundred twenty-three million, two hundred thirteen thousand, one hundred".