12001000120213 has 4 divisors (see below), whose sum is σ = 12924153975628. Its totient is φ = 11077846264800.

The previous prime is 12001000120141. The next prime is 12001000120259. The reversal of 12001000120213 is 31202100010021.

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 6907235498244 + 5093764621969 = 2628162^2 + 2256937^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001000120213 - 2¹³ = 12001000112021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 923153855401 = 12001000120213 / (1 + 2 + 0 + 0 + 1 + 0 + 0 + 0 + 1 + 2 + 0 + 2 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001000120193 and 12001000120202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001000120273) 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, 461576927688 + ... + 461576927713.

It is an arithmetic number, because the mean of its divisors is an integer number (3231038493907).

Almost surely, 2^{12001000120213} is an apocalyptic number.

12001000120213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12001000120213 is a deficient number, since it is larger than the sum of its proper divisors (923153855415).

12001000120213 is an equidigital number, since it uses as much as digits as its factorization.

12001000120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923153855414.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12001000120213 its reverse (31202100010021), we get a palindrome (43203100130234).

The spelling of 12001000120213 in words is "twelve trillion, one billion, one hundred twenty thousand, two hundred thirteen".