12201000022019 has 4 divisors (see below), whose sum is σ = 12368137008696. Its totient is φ = 12033863035344.

The previous prime is 12201000021953. The next prime is 12201000022069. The reversal of 12201000022019 is 91022000010221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12201000022019 is a prime.

It is a super-2 number, since 2×12201000022019² (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 (12201000022069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83568493229 + ... + 83568493374.

It is an arithmetic number, because the mean of its divisors is an integer number (3092034252174).

Almost surely, 2^{12201000022019} is an apocalyptic number.

12201000022019 is a deficient number, since it is larger than the sum of its proper divisors (167136986677).

12201000022019 is an equidigital number, since it uses as much as digits as its factorization.

12201000022019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167136986676.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 12201000022019 in words is "twelve trillion, two hundred one billion, twenty-two thousand, nineteen".