10021223012 has 12 divisors (see below), whose sum is σ = 17538721200. Its totient is φ = 5010159816.

The previous prime is 10021223011. The next prime is 10021223129. The reversal of 10021223012 is 21032212001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10021223011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60278 + ... + 153869.

It is an arithmetic number, because the mean of its divisors is an integer number (1461560100).

Almost surely, 2^10021223012 is an apocalyptic number.

It is an amenable number.

10021223012 is a deficient number, since it is larger than the sum of its proper divisors (7517498188).

10021223012 is a wasteful number, since it uses less digits than its factorization.

10021223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225850 (or 225848 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10021223012 its reverse (21032212001), we get a palindrome (31053435013).

The spelling of 10021223012 in words is "ten billion, twenty-one million, two hundred twenty-three thousand, twelve".