10212000212021 has 16 divisors (see below), whose sum is σ = 10343755748400. Its totient is φ = 10081113735168.

The previous prime is 10212000211993. The next prime is 10212000212033. The reversal of 10212000212021 is 12021200021201.

It can be written as a sum of positive squares in 8 ways, for example, as 717898649521 + 9494101562500 = 847289^2 + 3081250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10212000212021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212000211987 and 10212000212005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212000212321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71028035 + ... + 71171663.

It is an arithmetic number, because the mean of its divisors is an integer number (646484734275).

Almost surely, 2^{10212000212021} is an apocalyptic number.

It is an amenable number.

10212000212021 is a deficient number, since it is larger than the sum of its proper divisors (131755536379).

10212000212021 is a wasteful number, since it uses less digits than its factorization.

10212000212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146648.

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

Adding to 10212000212021 its reverse (12021200021201), we get a palindrome (22233200233222).

The spelling of 10212000212021 in words is "ten trillion, two hundred twelve billion, two hundred twelve thousand, twenty-one".