12121000233 has 8 divisors (see below), whose sum is σ = 16309603200. Its totient is φ = 8006532048.

The previous prime is 12121000231. The next prime is 12121000291. The reversal of 12121000233 is 33200012121.

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

It is not a de Polignac number, because 12121000233 - 2¹ = 12121000231 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12121000231) 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, 18533313 + ... + 18533966.

It is an arithmetic number, because the mean of its divisors is an integer number (2038700400).

Almost surely, 2^12121000233 is an apocalyptic number.

It is an amenable number.

12121000233 is a deficient number, since it is larger than the sum of its proper divisors (4188602967).

12121000233 is a wasteful number, since it uses less digits than its factorization.

12121000233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37067391.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12121000233 its reverse (33200012121), we get a palindrome (45321012354).

The spelling of 12121000233 in words is "twelve billion, one hundred twenty-one million, two hundred thirty-three", and thus it is an aban number.