100201210021212 has 24 divisors (see below), whose sum is σ = 235202840294016. Its totient is φ = 33200400924528.

The previous prime is 100201210021189. The next prime is 100201210021249. The reversal of 100201210021212 is 212120012102001.

It is a super-2 number, since 2×100201210021212² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100201210021191 and 100201210021200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25000299898 + ... + 25000303905.

It is an arithmetic number, because the mean of its divisors is an integer number (9800118345584).

Almost surely, 2^{100201210021212} is an apocalyptic number.

100201210021212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100201210021212 is an abundant number, since it is smaller than the sum of its proper divisors (135001630272804).

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

100201210021212 is a wasteful number, since it uses less digits than its factorization.

100201210021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50000603977 (or 50000603975 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100201210021212 its reverse (212120012102001), we get a palindrome (312321222123213).

The spelling of 100201210021212 in words is "one hundred trillion, two hundred one billion, two hundred ten million, twenty-one thousand, two hundred twelve".