121241203214 has 4 divisors (see below), whose sum is σ = 181861804824. Its totient is φ = 60620601606.

The previous prime is 121241203189. The next prime is 121241203217. The reversal of 121241203214 is 412302142121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121241203214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121241203217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30310300802 + ... + 30310300805.

It is an arithmetic number, because the mean of its divisors is an integer number (45465451206).

Almost surely, 2^121241203214 is an apocalyptic number.

121241203214 is a deficient number, since it is larger than the sum of its proper divisors (60620601610).

121241203214 is an equidigital number, since it uses as much as digits as its factorization.

121241203214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60620601609.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 121241203214 its reverse (412302142121), we get a palindrome (533543345335).

The spelling of 121241203214 in words is "one hundred twenty-one billion, two hundred forty-one million, two hundred three thousand, two hundred fourteen".