100012100123 has 8 divisors (see below), whose sum is σ = 107764836816. Its totient is φ = 92267863200.

The previous prime is 100012100093. The next prime is 100012100143. The reversal of 100012100123 is 321001210001.

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

It is a cyclic number.

It is not a de Polignac number, because 100012100123 - 2⁸ = 100012099867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100012100143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2100488 + ... + 2147573.

It is an arithmetic number, because the mean of its divisors is an integer number (13470604602).

Almost surely, 2^100012100123 is an apocalyptic number.

100012100123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100012100123 is a deficient number, since it is larger than the sum of its proper divisors (7752736693).

100012100123 is a wasteful number, since it uses less digits than its factorization.

100012100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4249885.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 100012100123 its reverse (321001210001), we get a palindrome (421013310124).

The spelling of 100012100123 in words is "one hundred billion, twelve million, one hundred thousand, one hundred twenty-three".