100012212201 has 16 divisors (see below), whose sum is σ = 145478430720. Its totient is φ = 60610911120.

The previous prime is 100012212199. The next prime is 100012212211. The reversal of 100012212201 is 102212210001.

It is not a de Polignac number, because 100012212201 - 2¹ = 100012212199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100012212211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 994260 + ... + 1090218.

It is an arithmetic number, because the mean of its divisors is an integer number (9092401920).

Almost surely, 2^100012212201 is an apocalyptic number.

100012212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100012212201 is a deficient number, since it is larger than the sum of its proper divisors (45466218519).

100012212201 is a wasteful number, since it uses less digits than its factorization.

100012212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127556.

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

Adding to 100012212201 its reverse (102212210001), we get a palindrome (202224422202).

It can be divided in two parts, 100012 and 212201, that added together give a palindrome (312213).

The spelling of 100012212201 in words is "one hundred billion, twelve million, two hundred twelve thousand, two hundred one".