100131420412 has 24 divisors (see below), whose sum is σ = 179459634816. Its totient is φ = 48859246128.

The previous prime is 100131420407. The next prime is 100131420443. The reversal of 100131420412 is 214024131001.

It is a self number, because there is not a number n which added to its sum of digits gives 100131420412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50248 + ... + 450319.

It is an arithmetic number, because the mean of its divisors is an integer number (7477484784).

Almost surely, 2^100131420412 is an apocalyptic number.

It is an amenable number.

100131420412 is a deficient number, since it is larger than the sum of its proper divisors (79328214404).

100131420412 is a wasteful number, since it uses less digits than its factorization.

100131420412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501777 (or 501775 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 100131420412 its reverse (214024131001), we get a palindrome (314155551413).

The spelling of 100131420412 in words is "one hundred billion, one hundred thirty-one million, four hundred twenty thousand, four hundred twelve".