121030323219 has 24 divisors (see below), whose sum is σ = 188590230192. Its totient is φ = 74353273920.

The previous prime is 121030323187. The next prime is 121030323233. The reversal of 121030323219 is 912323030121.

121030323219 is a `hidden beast` number, since 121 + 0 + 3 + 0 + 323 + 219 = 666.

It is not a de Polignac number, because 121030323219 - 2⁵ = 121030323187 is a prime.

It is a super-2 number, since 2×121030323219² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121030323192 and 121030323201.

It is not an unprimeable number, because it can be changed into a prime (121030363219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 812452 + ... + 949809.

It is an arithmetic number, because the mean of its divisors is an integer number (7857926258).

Almost surely, 2^121030323219 is an apocalyptic number.

121030323219 is a deficient number, since it is larger than the sum of its proper divisors (67559906973).

121030323219 is a wasteful number, since it uses less digits than its factorization.

121030323219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762867 (or 1762864 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 121030323219 in words is "one hundred twenty-one billion, thirty million, three hundred twenty-three thousand, two hundred nineteen".