100001320412 has 12 divisors (see below), whose sum is σ = 200002640880. Its totient is φ = 42857708736.

The previous prime is 100001320409. The next prime is 100001320417. The reversal of 100001320412 is 214023100001.

100001320412 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001320417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785737837 + ... + 1785737892.

It is an arithmetic number, because the mean of its divisors is an integer number (16666886740).

Almost surely, 2^100001320412 is an apocalyptic number.

It is an amenable number.

100001320412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100001320412 is a wasteful number, since it uses less digits than its factorization.

100001320412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571475740 (or 3571475738 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100001320412 its reverse (214023100001), we get a palindrome (314024420413).

The spelling of 100001320412 in words is "one hundred billion, one million, three hundred twenty thousand, four hundred twelve".