100123022124 has 36 divisors (see below), whose sum is σ = 255410675520. Its totient is φ = 33068152800.

The previous prime is 100123022101. The next prime is 100123022137. The reversal of 100123022124 is 421220321001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 100123022097 and 100123022106.

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 11 ways as a sum of consecutive naturals, for example, 12753852 + ... + 12761699.

Almost surely, 2^100123022124 is an apocalyptic number.

It is an amenable number.

100123022124 is an abundant number, since it is smaller than the sum of its proper divisors (155287653396).

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

100123022124 is a wasteful number, since it uses less digits than its factorization.

100123022124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25515670 (or 25515665 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 100123022124 its reverse (421220321001), we get a palindrome (521343343125).

The spelling of 100123022124 in words is "one hundred billion, one hundred twenty-three million, twenty-two thousand, one hundred twenty-four".