1212013012313 has 2 divisors, whose sum is σ = 1212013012314. Its totient is φ = 1212013012312.

The previous prime is 1212013012291. The next prime is 1212013012363. The reversal of 1212013012313 is 3132103102121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 608537287744 + 603475724569 = 780088^2 + 776837^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212013012313 - 2¹⁴ = 1212012995929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212013012363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606006506156 + 606006506157.

It is an arithmetic number, because the mean of its divisors is an integer number (606006506157).

Almost surely, 2^{1212013012313} is an apocalyptic number.

It is an amenable number.

1212013012313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212013012313 is an equidigital number, since it uses as much as digits as its factorization.

1212013012313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1212013012313 its reverse (3132103102121), we get a palindrome (4344116114434).

The spelling of 1212013012313 in words is "one trillion, two hundred twelve billion, thirteen million, twelve thousand, three hundred thirteen".