20101000212212 has 24 divisors (see below), whose sum is σ = 35302137448704. Its totient is φ = 10014738918912.

The previous prime is 20101000212211. The next prime is 20101000212221. The reversal of 20101000212212 is 21221200010102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101000212211) 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, 6698468 + ... + 9223419.

It is an arithmetic number, because the mean of its divisors is an integer number (1470922393696).

Almost surely, 2^{20101000212212} is an apocalyptic number.

It is an amenable number.

20101000212212 is a deficient number, since it is larger than the sum of its proper divisors (15201137236492).

20101000212212 is a wasteful number, since it uses less digits than its factorization.

20101000212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15923015 (or 15923013 counting only the distinct ones).

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

Adding to 20101000212212 its reverse (21221200010102), we get a palindrome (41322200222314).

The spelling of 20101000212212 in words is "twenty trillion, one hundred one billion, two hundred twelve thousand, two hundred twelve".