121232000311 has 4 divisors (see below), whose sum is σ = 121775641792. Its totient is φ = 120688358832.

The previous prime is 121232000303. The next prime is 121232000333. The reversal of 121232000311 is 113000232121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121232000311 - 2³ = 121232000303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121232000411) 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, 271820406 + ... + 271820851.

It is an arithmetic number, because the mean of its divisors is an integer number (30443910448).

Almost surely, 2^121232000311 is an apocalyptic number.

121232000311 is a deficient number, since it is larger than the sum of its proper divisors (543641481).

121232000311 is an equidigital number, since it uses as much as digits as its factorization.

121232000311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543641480.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121232000311 its reverse (113000232121), we get a palindrome (234232232432).

The spelling of 121232000311 in words is "one hundred twenty-one billion, two hundred thirty-two million, three hundred eleven", and thus it is an aban number.