10011212111112 has 32 divisors (see below), whose sum is σ = 25891065806400. Its totient is φ = 3221999299904.

The previous prime is 10011212111057. The next prime is 10011212111113. The reversal of 10011212111112 is 21111121211001.

It is a junction number, because it is equal to n+sod(n) for n = 10011212111091 and 10011212111100.

It is not an unprimeable number, because it can be changed into a prime (10011212111113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7191962028 + ... + 7191963419.

It is an arithmetic number, because the mean of its divisors is an integer number (809095806450).

Almost surely, 2^{10011212111112} is an apocalyptic number.

10011212111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10011212111112 is an abundant number, since it is smaller than the sum of its proper divisors (15879853695288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10011212111112 is a wasteful number, since it uses less digits than its factorization.

10011212111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14383925485 (or 14383925481 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 10011212111112 its reverse (21111121211001), we get a palindrome (31122333322113).

The spelling of 10011212111112 in words is "ten trillion, eleven billion, two hundred twelve million, one hundred eleven thousand, one hundred twelve".