121242443614 has 16 divisors (see below), whose sum is σ = 182050233552. Its totient is φ = 60559063488.

The previous prime is 121242443591. The next prime is 121242443677. The reversal of 121242443614 is 416344242121.

It is a self number, because there is not a number n which added to its sum of digits gives 121242443614.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12325242 + ... + 12335074.

It is an arithmetic number, because the mean of its divisors is an integer number (11378139597).

Almost surely, 2^121242443614 is an apocalyptic number.

121242443614 is a deficient number, since it is larger than the sum of its proper divisors (60807789938).

121242443614 is a wasteful number, since it uses less digits than its factorization.

121242443614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15531.

The product of its digits is 36864, while the sum is 34.

Adding to 121242443614 its reverse (416344242121), we get a palindrome (537586685735).

The spelling of 121242443614 in words is "one hundred twenty-one billion, two hundred forty-two million, four hundred forty-three thousand, six hundred fourteen".