20212120100010 has 64 divisors (see below), whose sum is σ = 48676688726400. Its totient is φ = 5371299585792.

The previous prime is 20212120099999. The next prime is 20212120100027. The reversal of 20212120100010 is 1000102121202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13250512 + ... + 14696948.

It is an arithmetic number, because the mean of its divisors is an integer number (760573261350).

Almost surely, 2^{20212120100010} is an apocalyptic number.

20212120100010 is an abundant number, since it is smaller than the sum of its proper divisors (28464568626390).

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

20212120100010 is a wasteful number, since it uses less digits than its factorization.

20212120100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448055.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20212120100010 its reverse (1000102121202), we get a palindrome (21212222221212).

The spelling of 20212120100010 in words is "twenty trillion, two hundred twelve billion, one hundred twenty million, one hundred thousand, ten".