121200311233 has 8 divisors (see below), whose sum is σ = 125822678400. Its totient is φ = 116607480528.

The previous prime is 121200311171. The next prime is 121200311237. The reversal of 121200311233 is 332113002121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121200311233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121200311233.

It is not an unprimeable number, because it can be changed into a prime (121200311237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7375753 + ... + 7392166.

It is an arithmetic number, because the mean of its divisors is an integer number (15727834800).

Almost surely, 2^121200311233 is an apocalyptic number.

It is an amenable number.

121200311233 is a deficient number, since it is larger than the sum of its proper divisors (4622367167).

121200311233 is a wasteful number, since it uses less digits than its factorization.

121200311233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14768231.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121200311233 its reverse (332113002121), we get a palindrome (453313313354).

It can be divided in two parts, 1212003 and 11233, that added together give a square (1223236 = 1106²).

The spelling of 121200311233 in words is "one hundred twenty-one billion, two hundred million, three hundred eleven thousand, two hundred thirty-three".