100012312011 has 16 divisors (see below), whose sum is σ = 136058434848. Its totient is φ = 65334144000.

The previous prime is 100012311991. The next prime is 100012312019. The reversal of 100012312011 is 110213210001.

It is not a de Polignac number, because 100012312011 - 2⁵ = 100012311979 is a prime.

It is a super-2 number, since 2×100012312011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100012312019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1672020 + ... + 1730801.

It is an arithmetic number, because the mean of its divisors is an integer number (8503652178).

Almost surely, 2^100012312011 is an apocalyptic number.

100012312011 is a deficient number, since it is larger than the sum of its proper divisors (36046122837).

100012312011 is a wasteful number, since it uses less digits than its factorization.

100012312011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403022.

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

Adding to 100012312011 its reverse (110213210001), we get a palindrome (210225522012).

The spelling of 100012312011 in words is "one hundred billion, twelve million, three hundred twelve thousand, eleven".