12100425 has 12 divisors (see below), whose sum is σ = 20006160. Its totient is φ = 6453520.

The previous prime is 12100411. The next prime is 12100441. The reversal of 12100425 is 52400121.

It is not a de Polignac number, because 12100425 - 2¹⁰ = 12099401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80595 + ... + 80744.

It is an arithmetic number, because the mean of its divisors is an integer number (1667180).

Almost surely, 2^12100425 is an apocalyptic number.

12100425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12100425 is a deficient number, since it is larger than the sum of its proper divisors (7905735).

12100425 is a wasteful number, since it uses less digits than its factorization.

12100425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161352 (or 161347 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 12100425 is about 3478.5665151036. The cubic root of 12100425 is about 229.5797303206.

Adding to 12100425 its reverse (52400121), we get a palindrome (64500546).

The spelling of 12100425 in words is "twelve million, one hundred thousand, four hundred twenty-five".