12012001012213 has 4 divisors (see below), whose sum is σ = 12057674020128. Its totient is φ = 11966328004300.

The previous prime is 12012001012201. The next prime is 12012001012303. The reversal of 12012001012213 is 31221010021021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12012001012213 - 2⁵ = 12012001012181 is a prime.

It is a super-2 number, since 2×12012001012213² (a number of 27 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 (12012001012013) 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, 22836503563 + ... + 22836504088.

It is an arithmetic number, because the mean of its divisors is an integer number (3014418505032).

Almost surely, 2^{12012001012213} is an apocalyptic number.

It is an amenable number.

12012001012213 is a deficient number, since it is larger than the sum of its proper divisors (45673007915).

12012001012213 is an equidigital number, since it uses as much as digits as its factorization.

12012001012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45673007914.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12012001012213 its reverse (31221010021021), we get a palindrome (43233011033234).

The spelling of 12012001012213 in words is "twelve trillion, twelve billion, one million, twelve thousand, two hundred thirteen".