12101034225 has 48 divisors (see below), whose sum is σ = 23252797440. Its totient is φ = 5438126400.

The previous prime is 12101034199. The next prime is 12101034251. The reversal of 12101034225 is 52243010121.

It is an interprime number because it is at equal distance from previous prime (12101034199) and next prime (12101034251).

It is not a de Polignac number, because 12101034225 - 2⁵ = 12101034193 is a prime.

It is a super-3 number, since 3×12101034225³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164361 + ... + 226310.

It is an arithmetic number, because the mean of its divisors is an integer number (484433280).

Almost surely, 2^12101034225 is an apocalyptic number.

12101034225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12101034225 is a deficient number, since it is larger than the sum of its proper divisors (11151763215).

12101034225 is a wasteful number, since it uses less digits than its factorization.

12101034225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390750 (or 390745 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 12101034225 its reverse (52243010121), we get a palindrome (64344044346).

The spelling of 12101034225 in words is "twelve billion, one hundred one million, thirty-four thousand, two hundred twenty-five".