100421302452 has 48 divisors (see below), whose sum is σ = 246930546240. Its totient is φ = 31675767552.

The previous prime is 100421302447. The next prime is 100421302489. The reversal of 100421302452 is 254203124001.

It is a super-2 number, since 2×100421302452² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51153 + ... + 451064.

It is an arithmetic number, because the mean of its divisors is an integer number (5144386380).

Almost surely, 2^100421302452 is an apocalyptic number.

100421302452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100421302452 is an abundant number, since it is smaller than the sum of its proper divisors (146509243788).

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

100421302452 is a wasteful number, since it uses less digits than its factorization.

100421302452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503120 (or 503118 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 100421302452 its reverse (254203124001), we get a palindrome (354624426453).

The spelling of 100421302452 in words is "one hundred billion, four hundred twenty-one million, three hundred two thousand, four hundred fifty-two".