10001212012 has 24 divisors (see below), whose sum is σ = 19416841920. Its totient is φ = 4468953360.

The previous prime is 10001211973. The next prime is 10001212057. The reversal of 10001212012 is 21021210001.

It is a self number, because there is not a number n which added to its sum of digits gives 10001212012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1923678 + ... + 1928869.

It is an arithmetic number, because the mean of its divisors is an integer number (809035080).

Almost surely, 2^10001212012 is an apocalyptic number.

It is an amenable number.

10001212012 is a deficient number, since it is larger than the sum of its proper divisors (9415629908).

10001212012 is a wasteful number, since it uses less digits than its factorization.

10001212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852621 (or 3852619 counting only the distinct ones).

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

Adding to 10001212012 its reverse (21021210001), we get a palindrome (31022422013).

The spelling of 10001212012 in words is "ten billion, one million, two hundred twelve thousand, twelve".