10221311332012 has 72 divisors (see below), whose sum is σ = 19690334949600. Its totient is φ = 4639181352960.

The previous prime is 10221311332007. The next prime is 10221311332049. The reversal of 10221311332012 is 21023311312201.

10221311332012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1018155289 + ... + 1018165327.

It is an arithmetic number, because the mean of its divisors is an integer number (273476874300).

Almost surely, 2^{10221311332012} is an apocalyptic number.

It is an amenable number.

10221311332012 is a deficient number, since it is larger than the sum of its proper divisors (9469023617588).

10221311332012 is a wasteful number, since it uses less digits than its factorization.

10221311332012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12967 (or 12954 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 10221311332012 its reverse (21023311312201), we get a palindrome (31244622644213).

The spelling of 10221311332012 in words is "ten trillion, two hundred twenty-one billion, three hundred eleven million, three hundred thirty-two thousand, twelve".