10221231232012 has 24 divisors (see below), whose sum is σ = 18323581554432. Its totient is φ = 4985924323200.

The previous prime is 10221231231997. The next prime is 10221231232019. The reversal of 10221231232012 is 21023213212201.

It is not an unprimeable number, because it can be changed into a prime (10221231232019) 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, 29276437 + ... + 29623507.

It is an arithmetic number, because the mean of its divisors is an integer number (763482564768).

Almost surely, 2^{10221231232012} is an apocalyptic number.

It is an amenable number.

10221231232012 is a deficient number, since it is larger than the sum of its proper divisors (8102350322420).

10221231232012 is a wasteful number, since it uses less digits than its factorization.

10221231232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526689 (or 526687 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 10221231232012 its reverse (21023213212201), we get a palindrome (31244444444213).

The spelling of 10221231232012 in words is "ten trillion, two hundred twenty-one billion, two hundred thirty-one million, two hundred thirty-two thousand, twelve".