100512250407 has 8 divisors (see below), whose sum is σ = 148907037680. Its totient is φ = 67008166920.

The previous prime is 100512250403. The next prime is 100512250409. The reversal of 100512250407 is 704052215001.

100512250407 is a `hidden beast` number, since 1 + 0 + 0 + 5 + 1 + 2 + 250 + 407 = 666.

It is not a de Polignac number, because 100512250407 - 2² = 100512250403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3722675941 = 100512250407 / (1 + 0 + 0 + 5 + 1 + 2 + 2 + 5 + 0 + 4 + 0 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100512250403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1861337944 + ... + 1861337997.

It is an arithmetic number, because the mean of its divisors is an integer number (18613379710).

Almost surely, 2^100512250407 is an apocalyptic number.

100512250407 is a deficient number, since it is larger than the sum of its proper divisors (48394787273).

100512250407 is an equidigital number, since it uses as much as digits as its factorization.

100512250407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722675950 (or 3722675944 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

Adding to 100512250407 its reverse (704052215001), we get a palindrome (804564465408).

The spelling of 100512250407 in words is "one hundred billion, five hundred twelve million, two hundred fifty thousand, four hundred seven".