10211222012 has 6 divisors (see below), whose sum is σ = 17869638528. Its totient is φ = 5105611004.

The previous prime is 10211222011. The next prime is 10211222027. The reversal of 10211222012 is 21022211201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211222011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276402748 + ... + 1276402755.

It is an arithmetic number, because the mean of its divisors is an integer number (2978273088).

Almost surely, 2^10211222012 is an apocalyptic number.

It is an amenable number.

10211222012 is a deficient number, since it is larger than the sum of its proper divisors (7658416516).

10211222012 is a wasteful number, since it uses less digits than its factorization.

10211222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552805507 (or 2552805505 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10211222012 its reverse (21022211201), we get a palindrome (31233433213).

The spelling of 10211222012 in words is "ten billion, two hundred eleven million, two hundred twenty-two thousand, twelve".