10202122012 has 6 divisors (see below), whose sum is σ = 17853713528. Its totient is φ = 5101061004.

The previous prime is 10202121967. The next prime is 10202122037. The reversal of 10202122012 is 21022120201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10202121983 and 10202122001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275265248 + ... + 1275265255.

Almost surely, 2^10202122012 is an apocalyptic number.

It is an amenable number.

10202122012 is a deficient number, since it is larger than the sum of its proper divisors (7651591516).

10202122012 is a wasteful number, since it uses less digits than its factorization.

10202122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550530507 (or 2550530505 counting only the distinct ones).

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

Adding to 10202122012 its reverse (21022120201), we get a palindrome (31224242213).

The spelling of 10202122012 in words is "ten billion, two hundred two million, one hundred twenty-two thousand, twelve".