10202221012 has 24 divisors (see below), whose sum is σ = 17931658752. Its totient is φ = 5078916000.

The previous prime is 10202220997. The next prime is 10202221013. The reversal of 10202221012 is 21012220201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10202220983 and 10202221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202221013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2754762 + ... + 2758462.

It is an arithmetic number, because the mean of its divisors is an integer number (747152448).

Almost surely, 2^10202221012 is an apocalyptic number.

It is an amenable number.

10202221012 is a deficient number, since it is larger than the sum of its proper divisors (7729437740).

10202221012 is a wasteful number, since it uses less digits than its factorization.

10202221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6519 (or 6517 counting only the distinct ones).

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

Adding to 10202221012 its reverse (21012220201), we get a palindrome (31214441213).

The spelling of 10202221012 in words is "ten billion, two hundred two million, two hundred twenty-one thousand, twelve".