1320012113 has 24 divisors (see below), whose sum is σ = 1586057088. Its totient is φ = 1076055552.

The previous prime is 1320012103. The next prime is 1320012119. The reversal of 1320012113 is 3112100231.

It is not a de Polignac number, because 1320012113 - 2¹⁸ = 1319749969 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320012119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 713756 + ... + 715602.

It is an arithmetic number, because the mean of its divisors is an integer number (66085712).

Almost surely, 2^1320012113 is an apocalyptic number.

It is an amenable number.

1320012113 is a deficient number, since it is larger than the sum of its proper divisors (266044975).

1320012113 is a wasteful number, since it uses less digits than its factorization.

1320012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093 (or 2070 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1320012113 is about 36331.9709484636. The cubic root of 1320012113 is about 1096.9646659036.

Adding to 1320012113 its reverse (3112100231), we get a palindrome (4432112344).

The spelling of 1320012113 in words is "one billion, three hundred twenty million, twelve thousand, one hundred thirteen".