10212011210128 has 80 divisors (see below), whose sum is σ = 24579305573760. Its totient is φ = 4002160232448.

The previous prime is 10212011210119. The next prime is 10212011210129. The reversal of 10212011210128 is 82101211021201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10212011210099 and 10212011210108.

It is not an unprimeable number, because it can be changed into a prime (10212011210129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32618713 + ... + 32930296.

It is an arithmetic number, because the mean of its divisors is an integer number (307241319672).

Almost surely, 2^{10212011210128} is an apocalyptic number.

It is an amenable number.

10212011210128 is an abundant number, since it is smaller than the sum of its proper divisors (14367294363632).

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

10212011210128 is a wasteful number, since it uses less digits than its factorization.

10212011210128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65549144 (or 65549138 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 22.

Adding to 10212011210128 its reverse (82101211021201), we get a palindrome (92313222231329).

The spelling of 10212011210128 in words is "ten trillion, two hundred twelve billion, eleven million, two hundred ten thousand, one hundred twenty-eight".