12103000103100 has 72 divisors (see below), whose sum is σ = 35018750545408. Its totient is φ = 3227398776000.

The previous prime is 12103000103093. The next prime is 12103000103107. The reversal of 12103000103100 is 130100030121.

It is an interprime number because it is at equal distance from previous prime (12103000103093) and next prime (12103000103107).

It is a super-2 number, since 2×12103000103100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103000103107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14758875 + ... + 15557325.

Almost surely, 2^{12103000103100} is an apocalyptic number.

12103000103100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103000103100 is an abundant number, since it is smaller than the sum of its proper divisors (22915750442308).

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

12103000103100 is a wasteful number, since it uses less digits than its factorization.

12103000103100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848995 (or 848988 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 12103000103100 its reverse (130100030121), we get a palindrome (12233100133221).

The spelling of 12103000103100 in words is "twelve trillion, one hundred three billion, one hundred three thousand, one hundred".