100323012312 has 48 divisors (see below), whose sum is σ = 272486760000. Its totient is φ = 33345176256.

The previous prime is 100323012259. The next prime is 100323012341. The reversal of 100323012312 is 213210323001.

100323012312 is a `hidden beast` number, since 100 + 32 + 301 + 231 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1971112 + ... + 2021367.

It is an arithmetic number, because the mean of its divisors is an integer number (5676807500).

Almost surely, 2^100323012312 is an apocalyptic number.

100323012312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100323012312 is an abundant number, since it is smaller than the sum of its proper divisors (172163747688).

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

100323012312 is a wasteful number, since it uses less digits than its factorization.

100323012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992840 (or 3992833 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 100323012312 its reverse (213210323001), we get a palindrome (313533335313).

The spelling of 100323012312 in words is "one hundred billion, three hundred twenty-three million, twelve thousand, three hundred twelve".