1000001210213 has 4 divisors (see below), whose sum is σ = 1000255732140. Its totient is φ = 999746688288.

The previous prime is 1000001210167. The next prime is 1000001210231. The reversal of 1000001210213 is 3120121000001.

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 232523590849 + 767477619364 = 482207^2 + 876058^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000001210213 - 2²⁶ = 999934101349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000001210194 and 1000001210203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000001212213) 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, 127255070 + ... + 127262927.

It is an arithmetic number, because the mean of its divisors is an integer number (250063933035).

Almost surely, 2^{1000001210213} is an apocalyptic number.

It is an amenable number.

1000001210213 is a deficient number, since it is larger than the sum of its proper divisors (254521927).

1000001210213 is an equidigital number, since it uses as much as digits as its factorization.

1000001210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254521926.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1000001210213 its reverse (3120121000001), we get a palindrome (4120122210214).

The spelling of 1000001210213 in words is "one trillion, one million, two hundred ten thousand, two hundred thirteen".