100321133452 has 12 divisors (see below), whose sum is σ = 175574699496. Its totient is φ = 50156933600.

The previous prime is 100321133443. The next prime is 100321133477. The reversal of 100321133452 is 254331123001.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 845674 + ... + 956977.

It is an arithmetic number, because the mean of its divisors is an integer number (14631224958).

Almost surely, 2^100321133452 is an apocalyptic number.

It is an amenable number.

100321133452 is a deficient number, since it is larger than the sum of its proper divisors (75253566044).

100321133452 is a wasteful number, since it uses less digits than its factorization.

100321133452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816568 (or 1816566 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 100321133452 its reverse (254331123001), we get a palindrome (354652256453).

The spelling of 100321133452 in words is "one hundred billion, three hundred twenty-one million, one hundred thirty-three thousand, four hundred fifty-two".