100012312340 has 24 divisors (see below), whose sum is σ = 210565784520. Its totient is φ = 39902081408.

The previous prime is 100012312339. The next prime is 100012312357. The reversal of 100012312340 is 43213210001.

It can be written as a sum of positive squares in 4 ways, for example, as 376127236 + 99636185104 = 19394^2 + 315652^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6419747 + ... + 6435306.

It is an arithmetic number, because the mean of its divisors is an integer number (8773574355).

Almost surely, 2^100012312340 is an apocalyptic number.

100012312340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100012312340 is an abundant number, since it is smaller than the sum of its proper divisors (110553472180).

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

100012312340 is a wasteful number, since it uses less digits than its factorization.

100012312340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12855451 (or 12855449 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100012312340 its reverse (43213210001), we get a palindrome (143225522341).

The spelling of 100012312340 in words is "one hundred billion, twelve million, three hundred twelve thousand, three hundred forty".