232012121 has 4 divisors (see below), whose sum is σ = 253104144. Its totient is φ = 210920100.

The previous prime is 232012087. The next prime is 232012127. The reversal of 232012121 is 121210232.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232012121 - 2²² = 227817817 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 = 232012096 and 232012105.

It is not an unprimeable number, because it can be changed into a prime (232012127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10545995 + ... + 10546016.

It is an arithmetic number, because the mean of its divisors is an integer number (63276036).

Almost surely, 2^232012121 is an apocalyptic number.

It is an amenable number.

232012121 is a deficient number, since it is larger than the sum of its proper divisors (21092023).

232012121 is a wasteful number, since it uses less digits than its factorization.

232012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21092022.

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

The square root of 232012121 is about 15231.9440978491. The cubic root of 232012121 is about 614.4740659716.

Adding to 232012121 its reverse (121210232), we get a palindrome (353222353).

It can be divided in two parts, 2320 and 12121, that added together give a palindrome (14441).

The spelling of 232012121 in words is "two hundred thirty-two million, twelve thousand, one hundred twenty-one".