20100100122212 has 24 divisors (see below), whose sum is σ = 38373136288032. Its totient is φ = 9136357272000.

The previous prime is 20100100122181. The next prime is 20100100122217. The reversal of 20100100122212 is 21222100100102.

It is not an unprimeable number, because it can be changed into a prime (20100100122217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7160408 + ... + 9564080.

It is an arithmetic number, because the mean of its divisors is an integer number (1598880678668).

Almost surely, 2^{20100100122212} is an apocalyptic number.

20100100122212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20100100122212 is a deficient number, since it is larger than the sum of its proper divisors (18273036165820).

20100100122212 is a wasteful number, since it uses less digits than its factorization.

20100100122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593739 (or 2593737 counting only the distinct ones).

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

Adding to 20100100122212 its reverse (21222100100102), we get a palindrome (41322200222314).

The spelling of 20100100122212 in words is "twenty trillion, one hundred billion, one hundred million, one hundred twenty-two thousand, two hundred twelve".