10202212128 has 24 divisors (see below), whose sum is σ = 26780807088. Its totient is φ = 3400737344.

The previous prime is 10202212087. The next prime is 10202212129. The reversal of 10202212128 is 82121220201.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (10202212129) 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, 53136426 + ... + 53136617.

It is an arithmetic number, because the mean of its divisors is an integer number (1115866962).

Almost surely, 2^10202212128 is an apocalyptic number.

It is an amenable number.

10202212128 is an abundant number, since it is smaller than the sum of its proper divisors (16578594960).

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

10202212128 is a wasteful number, since it uses less digits than its factorization.

10202212128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106273056 (or 106273048 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 10202212128 its reverse (82121220201), we get a palindrome (92323432329).

The spelling of 10202212128 in words is "ten billion, two hundred two million, two hundred twelve thousand, one hundred twenty-eight".