1212210200213 has 4 divisors (see below), whose sum is σ = 1228815819468. Its totient is φ = 1195604580960.

The previous prime is 1212210200197. The next prime is 1212210200219. The reversal of 1212210200213 is 3120020122121.

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 845945581009 + 366264619204 = 919753^2 + 605198^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212210200213 - 2⁴ = 1212210200197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212210200191 and 1212210200200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212210200219) 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, 8302809518 + ... + 8302809663.

It is an arithmetic number, because the mean of its divisors is an integer number (307203954867).

Almost surely, 2^{1212210200213} is an apocalyptic number.

It is an amenable number.

1212210200213 is a deficient number, since it is larger than the sum of its proper divisors (16605619255).

1212210200213 is an equidigital number, since it uses as much as digits as its factorization.

1212210200213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16605619254.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1212210200213 its reverse (3120020122121), we get a palindrome (4332230322334).

The spelling of 1212210200213 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred thousand, two hundred thirteen".