100212201212 has 48 divisors (see below), whose sum is σ = 183231363840. Its totient is φ = 47901888000.

The previous prime is 100212201211. The next prime is 100212201217. The reversal of 100212201212 is 212102212001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212201211) 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, 5714714 + ... + 5732222.

It is an arithmetic number, because the mean of its divisors is an integer number (3817320080).

Almost surely, 2^100212201212 is an apocalyptic number.

It is an amenable number.

100212201212 is a deficient number, since it is larger than the sum of its proper divisors (83019162628).

100212201212 is a wasteful number, since it uses less digits than its factorization.

100212201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18102 (or 18100 counting only the distinct ones).

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

Adding to 100212201212 its reverse (212102212001), we get a palindrome (312314413213).

The spelling of 100212201212 in words is "one hundred billion, two hundred twelve million, two hundred one thousand, two hundred twelve".