121112302123203 has 8 divisors (see below), whose sum is σ = 161594360385216. Its totient is φ = 80685889305000.

The previous prime is 121112302123199. The next prime is 121112302123217. The reversal of 121112302123203 is 302321203211121.

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

It is not a de Polignac number, because 121112302123203 - 2² = 121112302123199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121112302121203) 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, 13911355873 + ... + 13911364578.

It is an arithmetic number, because the mean of its divisors is an integer number (20199295048152).

Almost surely, 2^{121112302123203} is an apocalyptic number.

121112302123203 is a deficient number, since it is larger than the sum of its proper divisors (40482058262013).

121112302123203 is a wasteful number, since it uses less digits than its factorization.

121112302123203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27822721905.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 121112302123203 its reverse (302321203211121), we get a palindrome (423433505334324).

The spelling of 121112302123203 in words is "one hundred twenty-one trillion, one hundred twelve billion, three hundred two million, one hundred twenty-three thousand, two hundred three".