20100212121010 has 64 divisors (see below), whose sum is σ = 41642903520000. Its totient is φ = 6842555096832.

The previous prime is 20100212120981. The next prime is 20100212121029. The reversal of 20100212121010 is 1012121200102.

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, 26208049 + ... + 26964091.

It is an arithmetic number, because the mean of its divisors is an integer number (650670367500).

Almost surely, 2^{20100212121010} is an apocalyptic number.

20100212121010 is an abundant number, since it is smaller than the sum of its proper divisors (21542691398990).

20100212121010 is a wasteful number, since it uses less digits than its factorization.

20100212121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758755.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20100212121010 its reverse (1012121200102), we get a palindrome (21112333321112).

The spelling of 20100212121010 in words is "twenty trillion, one hundred billion, two hundred twelve million, one hundred twenty-one thousand, ten".