121244430214 has 4 divisors (see below), whose sum is σ = 181866645324. Its totient is φ = 60622215106.

The previous prime is 121244430211. The next prime is 121244430221. The reversal of 121244430214 is 412034442121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121244430211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30311107552 + ... + 30311107555.

It is an arithmetic number, because the mean of its divisors is an integer number (45466661331).

Almost surely, 2^121244430214 is an apocalyptic number.

121244430214 is a deficient number, since it is larger than the sum of its proper divisors (60622215110).

121244430214 is an equidigital number, since it uses as much as digits as its factorization.

121244430214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60622215109.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 121244430214 its reverse (412034442121), we get a palindrome (533278872335).

The spelling of 121244430214 in words is "one hundred twenty-one billion, two hundred forty-four million, four hundred thirty thousand, two hundred fourteen".