121314144340 has 12 divisors (see below), whose sum is σ = 254759703156. Its totient is φ = 48525657728.

The previous prime is 121314144317. The next prime is 121314144379. The reversal of 121314144340 is 43441413121.

121314144340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47888319556 + 73425824784 = 218834^2 + 270972^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121314144299 and 121314144308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3032853589 + ... + 3032853628.

It is an arithmetic number, because the mean of its divisors is an integer number (21229975263).

Almost surely, 2^121314144340 is an apocalyptic number.

121314144340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121314144340 is an abundant number, since it is smaller than the sum of its proper divisors (133445558816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121314144340 is a wasteful number, since it uses less digits than its factorization.

121314144340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065707226 (or 6065707224 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 121314144340 its reverse (43441413121), we get a palindrome (164755557461).

The spelling of 121314144340 in words is "one hundred twenty-one billion, three hundred fourteen million, one hundred forty-four thousand, three hundred forty".