12121295 has 4 divisors (see below), whose sum is σ = 14545560. Its totient is φ = 9697032.

The previous prime is 12121283. The next prime is 12121301. The reversal of 12121295 is 59212121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59212121 = 67 ⋅883763.

It is a cyclic number.

It is not a de Polignac number, because 12121295 - 2⁶ = 12121231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12121295.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212125 + ... + 1212134.

It is an arithmetic number, because the mean of its divisors is an integer number (3636390).

Almost surely, 2^12121295 is an apocalyptic number.

12121295 is a deficient number, since it is larger than the sum of its proper divisors (2424265).

12121295 is an equidigital number, since it uses as much as digits as its factorization.

12121295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424264.

The product of its digits is 360, while the sum is 23.

The square root of 12121295 is about 3481.5650216533. The cubic root of 12121295 is about 229.7116424096.

The spelling of 12121295 in words is "twelve million, one hundred twenty-one thousand, two hundred ninety-five".