1312102011 has 16 divisors (see below), whose sum is σ = 1909739520. Its totient is φ = 794701920.

The previous prime is 1312101983. The next prime is 1312102027. The reversal of 1312102011 is 1102012131.

It is not a de Polignac number, because 1312102011 - 2⁷ = 1312101883 is a prime.

It is a super-2 number, since 2×1312102011² = 3443223374540488242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312102111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42925 + ... + 66833.

It is an arithmetic number, because the mean of its divisors is an integer number (119358720).

Almost surely, 2^1312102011 is an apocalyptic number.

1312102011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1312102011 is a deficient number, since it is larger than the sum of its proper divisors (597637509).

1312102011 is a wasteful number, since it uses less digits than its factorization.

1312102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25586.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1312102011 is about 36222.9486789797. The cubic root of 1312102011 is about 1094.7691070895.

Adding to 1312102011 its reverse (1102012131), we get a palindrome (2414114142).

The spelling of 1312102011 in words is "one billion, three hundred twelve million, one hundred two thousand, eleven".