100451512402 has 8 divisors (see below), whose sum is σ = 150681770316. Its totient is φ = 50224255632.

The previous prime is 100451512379. The next prime is 100451512409. The reversal of 100451512402 is 204215154001.

It can be written as a sum of positive squares in 2 ways, for example, as 98571509521 + 1880002881 = 313961^2 + 43359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (100451512409) 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, 664653 + ... + 801664.

Almost surely, 2^100451512402 is an apocalyptic number.

100451512402 is a deficient number, since it is larger than the sum of its proper divisors (50230257914).

100451512402 is a wasteful number, since it uses less digits than its factorization.

100451512402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500572.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 100451512402 its reverse (204215154001), we get a palindrome (304666666403).

The spelling of 100451512402 in words is "one hundred billion, four hundred fifty-one million, five hundred twelve thousand, four hundred two".