10221202012 has 12 divisors (see below), whose sum is σ = 20442404080. Its totient is φ = 4380515136.

The previous prime is 10221202007. The next prime is 10221202021. The reversal of 10221202012 is 21020212201.

It is a happy number.

10221202012 is an admirable number.

It is a super-2 number, since 2×10221202012² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221201983 and 10221202001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182521437 + ... + 182521492.

Almost surely, 2^10221202012 is an apocalyptic number.

It is an amenable number.

10221202012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10221202012 is a wasteful number, since it uses less digits than its factorization.

10221202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365042940 (or 365042938 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10221202012 its reverse (21020212201), we get a palindrome (31241414213).

The spelling of 10221202012 in words is "ten billion, two hundred twenty-one million, two hundred two thousand, twelve".