12121201011019 has 8 divisors (see below), whose sum is σ = 12151376715440. Its totient is φ = 12091027939200.

The previous prime is 12121201011001. The next prime is 12121201011041. The reversal of 12121201011019 is 91011010212121.

It is a happy number.

12121201011019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12121201011019 - 2²³ = 12121192622411 is a prime.

It is a super-2 number, since 2×12121201011019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121201611019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8728204 + ... + 10021174.

It is an arithmetic number, because the mean of its divisors is an integer number (1518922089430).

Almost surely, 2^{12121201011019} is an apocalyptic number.

12121201011019 is a deficient number, since it is larger than the sum of its proper divisors (30175704421).

12121201011019 is a wasteful number, since it uses less digits than its factorization.

12121201011019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316301.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 12121201011019 in words is "twelve trillion, one hundred twenty-one billion, two hundred one million, eleven thousand, nineteen".