232100021000 has 96 divisors (see below), whose sum is σ = 562489953480. Its totient is φ = 89638304000.

The previous prime is 232100020951. The next prime is 232100021009. The reversal of 232100021000 is 120001232.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 486908356 + 231613112644 = 22066^2 + 481262^2 .

It is not an unprimeable number, because it can be changed into a prime (232100021009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 703010 + ... + 978990.

Almost surely, 2^232100021000 is an apocalyptic number.

232100021000 is a gapful number since it is divisible by the number (20) 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 232100021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281244976740).

232100021000 is an abundant number, since it is smaller than the sum of its proper divisors (330389932480).

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

232100021000 is a wasteful number, since it uses less digits than its factorization.

232100021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276060 (or 276017 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 232100021000 its reverse (120001232), we get a palindrome (232220022232).

The spelling of 232100021000 in words is "two hundred thirty-two billion, one hundred million, twenty-one thousand".