10221002012 has 48 divisors (see below), whose sum is σ = 19756602432. Its totient is φ = 4596702720.

The previous prime is 10221001957. The next prime is 10221002081. The reversal of 10221002012 is 21020012201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10221001984 and 10221002002.

It is a congruent number.

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, 2093318 + ... + 2098194.

It is an arithmetic number, because the mean of its divisors is an integer number (411595884).

Almost surely, 2^10221002012 is an apocalyptic number.

It is an amenable number.

10221002012 is a deficient number, since it is larger than the sum of its proper divisors (9535600420).

10221002012 is a wasteful number, since it uses less digits than its factorization.

10221002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5918 (or 5916 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10221002012 its reverse (21020012201), we get a palindrome (31241014213).

The spelling of 10221002012 in words is "ten billion, two hundred twenty-one million, two thousand, twelve".