1212313013 has 8 divisors (see below), whose sum is σ = 1262426880. Its totient is φ = 1162753200.

The previous prime is 1212313009. The next prime is 1212313033. The reversal of 1212313013 is 3103132121.

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

It is a cyclic number.

It is not a de Polignac number, because 1212313013 - 2² = 1212313009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212312982 and 1212313000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212313033) 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, 134045 + ... + 142802.

It is an arithmetic number, because the mean of its divisors is an integer number (157803360).

Almost surely, 2^1212313013 is an apocalyptic number.

It is an amenable number.

1212313013 is a deficient number, since it is larger than the sum of its proper divisors (50113867).

1212313013 is a wasteful number, since it uses less digits than its factorization.

1212313013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277027.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1212313013 is about 34818.2856125916. The cubic root of 1212313013 is about 1066.2807995677.

Adding to 1212313013 its reverse (3103132121), we get a palindrome (4315445134).

The spelling of 1212313013 in words is "one billion, two hundred twelve million, three hundred thirteen thousand, thirteen".