1312121013011 has 2 divisors, whose sum is σ = 1312121013012. Its totient is φ = 1312121013010.

The previous prime is 1312121012999. The next prime is 1312121013029. The reversal of 1312121013011 is 1103101212131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312121013011 - 2¹⁰ = 1312121011987 is a prime.

It is a super-2 number, since 2×1312121013011² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1312121013311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656060506505 + 656060506506.

It is an arithmetic number, because the mean of its divisors is an integer number (656060506506).

Almost surely, 2^{1312121013011} is an apocalyptic number.

1312121013011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312121013011 is an equidigital number, since it uses as much as digits as its factorization.

1312121013011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1312121013011 its reverse (1103101212131), we get a palindrome (2415222225142).

The spelling of 1312121013011 in words is "one trillion, three hundred twelve billion, one hundred twenty-one million, thirteen thousand, eleven".