20012120221010 has 32 divisors (see below), whose sum is σ = 36180336096000. Its totient is φ = 7969635936640.

The previous prime is 20012120220959. The next prime is 20012120221033. The reversal of 20012120221010 is 1012202121002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10210565 + ... + 12011655.

It is an arithmetic number, because the mean of its divisors is an integer number (1130635503000).

Almost surely, 2^{20012120221010} is an apocalyptic number.

20012120221010 is a deficient number, since it is larger than the sum of its proper divisors (16168215874990).

20012120221010 is a wasteful number, since it uses less digits than its factorization.

20012120221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805986.

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

Adding to 20012120221010 its reverse (1012202121002), we get a palindrome (21024322342012).

The spelling of 20012120221010 in words is "twenty trillion, twelve billion, one hundred twenty million, two hundred twenty-one thousand, ten".