1212213000013 has 4 divisors (see below), whose sum is σ = 1212218735200. Its totient is φ = 1212207264828.

The previous prime is 1212212999999. The next prime is 1212213000077. The reversal of 1212213000013 is 3100003122121.

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 1212213000013 - 2¹⁷ = 1212212868941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212213000913) 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, 2537913 + ... + 2977486.

It is an arithmetic number, because the mean of its divisors is an integer number (303054683800).

Almost surely, 2^{1212213000013} is an apocalyptic number.

It is an amenable number.

1212213000013 is a deficient number, since it is larger than the sum of its proper divisors (5735187).

1212213000013 is an equidigital number, since it uses as much as digits as its factorization.

1212213000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5735186.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1212213000013 its reverse (3100003122121), we get a palindrome (4312216122134).

The spelling of 1212213000013 in words is "one trillion, two hundred twelve billion, two hundred thirteen million, thirteen", and thus it is an aban number.