10221211012012 has 48 divisors (see below), whose sum is σ = 24016272037632. Its totient is φ = 3675960002880.

The previous prime is 10221211012003. The next prime is 10221211012079. The reversal of 10221211012012 is 21021011212201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1276370998 + ... + 1276379005.

It is an arithmetic number, because the mean of its divisors is an integer number (500339000784).

Almost surely, 2^{10221211012012} is an apocalyptic number.

It is an amenable number.

10221211012012 is an abundant number, since it is smaller than the sum of its proper divisors (13795061025620).

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

10221211012012 is a wasteful number, since it uses less digits than its factorization.

10221211012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552750038 (or 2552750036 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10221211012012 its reverse (21021011212201), we get a palindrome (31242222224213).

The spelling of 10221211012012 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, twelve thousand, twelve".