12025066213 has 4 divisors (see below), whose sum is σ = 12222198508. Its totient is φ = 11827933920.

The previous prime is 12025066211. The next prime is 12025066219. The reversal of 12025066213 is 31266052021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6836313124 + 5188753089 = 82682^2 + 72033^2 .

It is a cyclic number.

It is not a de Polignac number, because 12025066213 - 2¹ = 12025066211 is a prime.

It is a super-2 number, since 2×12025066213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12025066211) 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, 98566056 + ... + 98566177.

It is an arithmetic number, because the mean of its divisors is an integer number (3055549627).

Almost surely, 2^12025066213 is an apocalyptic number.

It is an amenable number.

12025066213 is a deficient number, since it is larger than the sum of its proper divisors (197132295).

12025066213 is an equidigital number, since it uses as much as digits as its factorization.

12025066213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197132294.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 12025066213 in words is "twelve billion, twenty-five million, sixty-six thousand, two hundred thirteen".