121314694885 has 4 divisors (see below), whose sum is σ = 145577633868. Its totient is φ = 97051755904.

The previous prime is 121314694861. The next prime is 121314694909. The reversal of 121314694885 is 588496413121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 588496413121 = 405607 ⋅1450903.

It is an interprime number because it is at equal distance from previous prime (121314694861) and next prime (121314694909).

It can be written as a sum of positive squares in 2 ways, for example, as 48844978081 + 72469716804 = 221009^2 + 269202^2 .

It is a cyclic number.

It is not a de Polignac number, because 121314694885 - 2⁷ = 121314694757 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 12131469484 + ... + 12131469493.

It is an arithmetic number, because the mean of its divisors is an integer number (36394408467).

Almost surely, 2^121314694885 is an apocalyptic number.

It is an amenable number.

121314694885 is a deficient number, since it is larger than the sum of its proper divisors (24262938983).

121314694885 is an equidigital number, since it uses as much as digits as its factorization.

121314694885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24262938982.

The product of its digits is 1658880, while the sum is 52.

It can be divided in two parts, 1213146 and 94885, that added together give a palindrome (1308031).

The spelling of 121314694885 in words is "one hundred twenty-one billion, three hundred fourteen million, six hundred ninety-four thousand, eight hundred eighty-five".