12354123100 has 72 divisors (see below), whose sum is σ = 30189067776. Its totient is φ = 4347480000.

The previous prime is 12354123079. The next prime is 12354123137. The reversal of 12354123100 is 132145321.

It is a happy number.

It is a super-2 number, since 2×12354123100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147046 + ... + 215245.

It is an arithmetic number, because the mean of its divisors is an integer number (419292608).

Almost surely, 2^12354123100 is an apocalyptic number.

12354123100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12354123100 is an abundant number, since it is smaller than the sum of its proper divisors (17834944676).

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

12354123100 is a wasteful number, since it uses less digits than its factorization.

12354123100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362347 (or 362340 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 12354123100 its reverse (132145321), we get a palindrome (12486268421).

It can be divided in two parts, 123541 and 23100, that added together give a palindrome (146641).

The spelling of 12354123100 in words is "twelve billion, three hundred fifty-four million, one hundred twenty-three thousand, one hundred".