1212313103213 has 8 divisors (see below), whose sum is σ = 1224833494080. Its totient is φ = 1199793168000.

The previous prime is 1212313103189. The next prime is 1212313103233. The reversal of 1212313103213 is 3123013132121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212313103213 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 (1212313103233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8880608 + ... + 9016086.

It is an arithmetic number, because the mean of its divisors is an integer number (153104186760).

Almost surely, 2^{1212313103213} is an apocalyptic number.

It is an amenable number.

1212313103213 is a deficient number, since it is larger than the sum of its proper divisors (12520390867).

1212313103213 is an equidigital number, since it uses as much as digits as its factorization.

1212313103213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227827.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1212313103213 its reverse (3123013132121), we get a palindrome (4335326235334).

The spelling of 1212313103213 in words is "one trillion, two hundred twelve billion, three hundred thirteen million, one hundred three thousand, two hundred thirteen".