10012222012 has 24 divisors (see below), whose sum is σ = 19979141616. Its totient is φ = 4349200128.

The previous prime is 10012222009. The next prime is 10012222019. The reversal of 10012222012 is 21022221001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 10012221983 and 10012222001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012222019) 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, 5662138 + ... + 5663905.

It is an arithmetic number, because the mean of its divisors is an integer number (832464234).

Almost surely, 2^10012222012 is an apocalyptic number.

It is an amenable number.

10012222012 is a deficient number, since it is larger than the sum of its proper divisors (9966919604).

10012222012 is a wasteful number, since it uses less digits than its factorization.

10012222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11326077 (or 11326075 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10012222012 its reverse (21022221001), we get a palindrome (31034443013).

The spelling of 10012222012 in words is "ten billion, twelve million, two hundred twenty-two thousand, twelve".