10212121200226 has 64 divisors (see below), whose sum is σ = 18108112256640. Its totient is φ = 4267687874560.

The previous prime is 10212121200007. The next prime is 10212121200227. The reversal of 10212121200226 is 62200212121201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 10212121200197 and 10212121200206.

It is not an unprimeable number, because it can be changed into a prime (10212121200227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 914550 + ... + 4610926.

It is an arithmetic number, because the mean of its divisors is an integer number (282939254010).

Almost surely, 2^{10212121200226} is an apocalyptic number.

10212121200226 is a deficient number, since it is larger than the sum of its proper divisors (7895991056414).

10212121200226 is a wasteful number, since it uses less digits than its factorization.

10212121200226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696579.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 10212121200226 its reverse (62200212121201), we get a palindrome (72412333321427).

The spelling of 10212121200226 in words is "ten trillion, two hundred twelve billion, one hundred twenty-one million, two hundred thousand, two hundred twenty-six".