100001212202 has 16 divisors (see below), whose sum is σ = 155479824000. Its totient is φ = 48206360928.

The previous prime is 100001212183. The next prime is 100001212217. The reversal of 100001212202 is 202212100001.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7932827 + ... + 7945422.

It is an arithmetic number, because the mean of its divisors is an integer number (9717489000).

Almost surely, 2^100001212202 is an apocalyptic number.

100001212202 is a deficient number, since it is larger than the sum of its proper divisors (55478611798).

100001212202 is a wasteful number, since it uses less digits than its factorization.

100001212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15878365.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100001212202 its reverse (202212100001), we get a palindrome (302213312203).

The spelling of 100001212202 in words is "one hundred billion, one million, two hundred twelve thousand, two hundred two".