1212012223313 has 4 divisors (see below), whose sum is σ = 1212017175408. Its totient is φ = 1212007271220.

The previous prime is 1212012223259. The next prime is 1212012223327. The reversal of 1212012223313 is 3133222102121.

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 1212012223313 - 2⁶ = 1212012223249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212012223013) 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, 2088731 + ... + 2605152.

It is an arithmetic number, because the mean of its divisors is an integer number (303004293852).

Almost surely, 2^{1212012223313} is an apocalyptic number.

It is an amenable number.

1212012223313 is a deficient number, since it is larger than the sum of its proper divisors (4952095).

1212012223313 is an equidigital number, since it uses as much as digits as its factorization.

1212012223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952094.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1212012223313 its reverse (3133222102121), we get a palindrome (4345234325434).

The spelling of 1212012223313 in words is "one trillion, two hundred twelve billion, twelve million, two hundred twenty-three thousand, three hundred thirteen".