10011220012 has 24 divisors (see below), whose sum is σ = 17606148560. Its totient is φ = 4980925440.

The previous prime is 10011219997. The next prime is 10011220013. The reversal of 10011220012 is 21002211001.

It is a super-2 number, since 2×10011220012² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10011220013) 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, 1518868 + ... + 1525444.

Almost surely, 2^10011220012 is an apocalyptic number.

It is an amenable number.

10011220012 is a deficient number, since it is larger than the sum of its proper divisors (7594928548).

10011220012 is a wasteful number, since it uses less digits than its factorization.

10011220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8401 (or 8399 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10011220012 its reverse (21002211001), we get a palindrome (31013431013).

The spelling of 10011220012 in words is "ten billion, eleven million, two hundred twenty thousand, twelve".