121233211203 has 8 divisors (see below), whose sum is σ = 174078457168. Its totient is φ = 74605053024.

The previous prime is 121233211199. The next prime is 121233211241. The reversal of 121233211203 is 302112332121.

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

It is not a de Polignac number, because 121233211203 - 2² = 121233211199 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 121233211203.

It is not an unprimeable number, because it can be changed into a prime (121233211243) 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, 1554271900 + ... + 1554271977.

It is an arithmetic number, because the mean of its divisors is an integer number (21759807146).

Almost surely, 2^121233211203 is an apocalyptic number.

121233211203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121233211203 is a deficient number, since it is larger than the sum of its proper divisors (52845245965).

121233211203 is a wasteful number, since it uses less digits than its factorization.

121233211203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108543893.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121233211203 its reverse (302112332121), we get a palindrome (423345543324).

The spelling of 121233211203 in words is "one hundred twenty-one billion, two hundred thirty-three million, two hundred eleven thousand, two hundred three".