10111211112012 has 48 divisors (see below), whose sum is σ = 24980869533312. Its totient is φ = 3172115416320.

The previous prime is 10111211111987. The next prime is 10111211112017. The reversal of 10111211112012 is 21021111211101.

It is a super-2 number, since 2×10111211112012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10111211111982 and 10111211112000.

It is not an unprimeable number, because it can be changed into a prime (10111211112017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35986623 + ... + 36266505.

It is an arithmetic number, because the mean of its divisors is an integer number (520434781944).

Almost surely, 2^{10111211112012} is an apocalyptic number.

10111211112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10111211112012 is an abundant number, since it is smaller than the sum of its proper divisors (14869658421300).

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

10111211112012 is a wasteful number, since it uses less digits than its factorization.

10111211112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456998 (or 456996 counting only the distinct ones).

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

Adding to 10111211112012 its reverse (21021111211101), we get a palindrome (31132322323113).

The spelling of 10111211112012 in words is "ten trillion, one hundred eleven billion, two hundred eleven million, one hundred twelve thousand, twelve".