100081401312 has 24 divisors (see below), whose sum is σ = 262713678696. Its totient is φ = 33360467072.

The previous prime is 100081401289. The next prime is 100081401317. The reversal of 100081401312 is 213104180001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100081401317) 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, 521257203 + ... + 521257394.

It is an arithmetic number, because the mean of its divisors is an integer number (10946403279).

Almost surely, 2^100081401312 is an apocalyptic number.

100081401312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100081401312 is an abundant number, since it is smaller than the sum of its proper divisors (162632277384).

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

100081401312 is a wasteful number, since it uses less digits than its factorization.

100081401312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042514610 (or 1042514602 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 100081401312 its reverse (213104180001), we get a palindrome (313185581313).

The spelling of 100081401312 in words is "one hundred billion, eighty-one million, four hundred one thousand, three hundred twelve".