20012122100010 has 64 divisors (see below), whose sum is σ = 48817459054080. Its totient is φ = 5248973268480.

The previous prime is 20012122099993. The next prime is 20012122100029. The reversal of 20012122100010 is 1000122121002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130089199 + ... + 130242941.

It is an arithmetic number, because the mean of its divisors is an integer number (762772797720).

Almost surely, 2^{20012122100010} is an apocalyptic number.

20012122100010 is an abundant number, since it is smaller than the sum of its proper divisors (28805336954070).

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

20012122100010 is a wasteful number, since it uses less digits than its factorization.

20012122100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224943.

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

Adding to 20012122100010 its reverse (1000122121002), we get a palindrome (21012244221012).

The spelling of 20012122100010 in words is "twenty trillion, twelve billion, one hundred twenty-two million, one hundred thousand, ten".