232120001021 has 8 divisors (see below), whose sum is σ = 245017454400. Its totient is φ = 219290608800.

The previous prime is 232120000991. The next prime is 232120001051. The reversal of 232120001021 is 120100021232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (232120000991) and next prime (232120001051).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 232120001021 - 2²⁶ = 232052892157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 232120000987 and 232120001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232120001051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17008280 + ... + 17021921.

It is an arithmetic number, because the mean of its divisors is an integer number (30627181800).

Almost surely, 2^232120001021 is an apocalyptic number.

It is an amenable number.

232120001021 is a deficient number, since it is larger than the sum of its proper divisors (12897453379).

232120001021 is a wasteful number, since it uses less digits than its factorization.

232120001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34030579.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 232120001021 its reverse (120100021232), we get a palindrome (352220022253).

The spelling of 232120001021 in words is "two hundred thirty-two billion, one hundred twenty million, one thousand, twenty-one".