1212013013313 has 4 divisors (see below), whose sum is σ = 1616017351088. Its totient is φ = 808008675540.

The previous prime is 1212013013273. The next prime is 1212013013357. The reversal of 1212013013313 is 3133103102121.

It is a happy number.

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 not a de Polignac number, because 1212013013313 - 2¹³ = 1212013005121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212013013313.

It is not an unprimeable number, because it can be changed into a prime (1212013012313) 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, 202002168883 + ... + 202002168888.

It is an arithmetic number, because the mean of its divisors is an integer number (404004337772).

Almost surely, 2^{1212013013313} is an apocalyptic number.

It is an amenable number.

1212013013313 is a deficient number, since it is larger than the sum of its proper divisors (404004337775).

1212013013313 is an equidigital number, since it uses as much as digits as its factorization.

1212013013313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404004337774.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1212013013313 its reverse (3133103102121), we get a palindrome (4345116115434).

The spelling of 1212013013313 in words is "one trillion, two hundred twelve billion, thirteen million, thirteen thousand, three hundred thirteen".