10011111222012 has 24 divisors (see below), whose sum is σ = 23408026252800. Its totient is φ = 3330070397616.

The previous prime is 10011111222011. The next prime is 10011111222023. The reversal of 10011111222012 is 21022211111001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10011111221982 and 10011111222000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011111222011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870828562 + ... + 870840057.

It is an arithmetic number, because the mean of its divisors is an integer number (975334427200).

Almost surely, 2^{10011111222012} is an apocalyptic number.

10011111222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10011111222012 is an abundant number, since it is smaller than the sum of its proper divisors (13396915030788).

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

10011111222012 is a wasteful number, since it uses less digits than its factorization.

10011111222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741669105 (or 1741669103 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10011111222012 its reverse (21022211111001), we get a palindrome (31033322333013).

The spelling of 10011111222012 in words is "ten trillion, eleven billion, one hundred eleven million, two hundred twenty-two thousand, twelve".