10111224012 has 12 divisors (see below), whose sum is σ = 23592856056. Its totient is φ = 3370408000.

The previous prime is 10111224001. The next prime is 10111224043. The reversal of 10111224012 is 21042211101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10111224012² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10111223982 and 10111224000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421300989 + ... + 421301012.

It is an arithmetic number, because the mean of its divisors is an integer number (1966071338).

Almost surely, 2^10111224012 is an apocalyptic number.

10111224012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10111224012 is an abundant number, since it is smaller than the sum of its proper divisors (13481632044).

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

10111224012 is a wasteful number, since it uses less digits than its factorization.

10111224012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842602008 (or 842602006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10111224012 its reverse (21042211101), we get a palindrome (31153435113).

The spelling of 10111224012 in words is "ten billion, one hundred eleven million, two hundred twenty-four thousand, twelve".