12020012093 has 4 divisors (see below), whose sum is σ = 12246804828. Its totient is φ = 11793219360.

The previous prime is 12020012089. The next prime is 12020012101. The reversal of 12020012093 is 39021002021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39021002021 = 146093 ⋅267097.

It can be written as a sum of positive squares in 2 ways, for example, as 10052468644 + 1967543449 = 100262^2 + 44357^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020012093 - 2² = 12020012089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020012063) 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, 113396288 + ... + 113396393.

It is an arithmetic number, because the mean of its divisors is an integer number (3061701207).

Almost surely, 2^12020012093 is an apocalyptic number.

It is an amenable number.

12020012093 is a deficient number, since it is larger than the sum of its proper divisors (226792735).

12020012093 is an equidigital number, since it uses as much as digits as its factorization.

12020012093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226792734.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 12020012093 in words is "twelve billion, twenty million, twelve thousand, ninety-three".