121314866254 has 4 divisors (see below), whose sum is σ = 181972299384. Its totient is φ = 60657433126.

The previous prime is 121314866203. The next prime is 121314866329. The reversal of 121314866254 is 452668413121.

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 121314866254.

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 as a sum of consecutive naturals, namely, 30328716562 + ... + 30328716565.

It is an arithmetic number, because the mean of its divisors is an integer number (45493074846).

Almost surely, 2^121314866254 is an apocalyptic number.

121314866254 is a deficient number, since it is larger than the sum of its proper divisors (60657433130).

121314866254 is an equidigital number, since it uses as much as digits as its factorization.

121314866254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60657433129.

The product of its digits is 276480, while the sum is 43.

The spelling of 121314866254 in words is "one hundred twenty-one billion, three hundred fourteen million, eight hundred sixty-six thousand, two hundred fifty-four".