121312310102219 has 8 divisors (see below), whose sum is σ = 128771875777248. Its totient is φ = 113888694142080.

The previous prime is 121312310102213. The next prime is 121312310102257. The reversal of 121312310102219 is 912201013213121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121312310102219 - 2³² = 121308015134923 is a prime.

It is a super-2 number, since 2×121312310102219² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121312310102191 and 121312310102200.

It is not an unprimeable number, because it can be changed into a prime (121312310102213) by changing a digit.

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, 8987421767 + ... + 8987435264.

It is an arithmetic number, because the mean of its divisors is an integer number (16096484472156).

Almost surely, 2^{121312310102219} is an apocalyptic number.

121312310102219 is a deficient number, since it is larger than the sum of its proper divisors (7459565675029).

121312310102219 is a wasteful number, since it uses less digits than its factorization.

121312310102219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17974857445.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 121312310102219 in words is "one hundred twenty-one trillion, three hundred twelve billion, three hundred ten million, one hundred two thousand, two hundred nineteen".