121246744318 has 16 divisors (see below), whose sum is σ = 207856681344. Its totient is φ = 51961610520.

The previous prime is 121246744277. The next prime is 121246744319. The reversal of 121246744318 is 813447642121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121246744319) 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, 684273 + ... + 843043.

It is an arithmetic number, because the mean of its divisors is an integer number (12991042584).

Almost surely, 2^121246744318 is an apocalyptic number.

121246744318 is a deficient number, since it is larger than the sum of its proper divisors (86609937026).

121246744318 is a wasteful number, since it uses less digits than its factorization.

121246744318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213327.

The product of its digits is 258048, while the sum is 43.

The spelling of 121246744318 in words is "one hundred twenty-one billion, two hundred forty-six million, seven hundred forty-four thousand, three hundred eighteen".