100200001212202 has 4 divisors (see below), whose sum is σ = 150300001818306. Its totient is φ = 50100000606100.

The previous prime is 100200001212191. The next prime is 100200001212221. The reversal of 100200001212202 is 202212100002001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80511337241721 + 19688663970481 = 8972811^2 + 4437191^2 .

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 as a sum of consecutive naturals, namely, 25050000303049 + ... + 25050000303052.

Almost surely, 2^{100200001212202} is an apocalyptic number.

100200001212202 is a deficient number, since it is larger than the sum of its proper divisors (50100000606104).

100200001212202 is an equidigital number, since it uses as much as digits as its factorization.

100200001212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50100000606103.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100200001212202 its reverse (202212100002001), we get a palindrome (302412101214203).

The spelling of 100200001212202 in words is "one hundred trillion, two hundred billion, one million, two hundred twelve thousand, two hundred two".