100312121301 has 12 divisors (see below), whose sum is σ = 155586147552. Its totient is φ = 57321212088.

The previous prime is 100312121279. The next prime is 100312121303. The reversal of 100312121301 is 103121213001.

It is a happy number.

It is not a de Polignac number, because 100312121301 - 2⁹ = 100312120789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100312121303) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 341197545 + ... + 341197838.

It is an arithmetic number, because the mean of its divisors is an integer number (12965512296).

Almost surely, 2^100312121301 is an apocalyptic number.

It is an amenable number.

100312121301 is a deficient number, since it is larger than the sum of its proper divisors (55274026251).

100312121301 is an equidigital number, since it uses as much as digits as its factorization.

100312121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682395400 (or 682395393 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 100312121301 its reverse (103121213001), we get a palindrome (203433334302).

The spelling of 100312121301 in words is "one hundred billion, three hundred twelve million, one hundred twenty-one thousand, three hundred one".