12122951 has 4 divisors (see below), whose sum is σ = 12130752. Its totient is φ = 12115152.

The previous prime is 12122941. The next prime is 12122977. The reversal of 12122951 is 15922121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 15922121 = 1933 ⋅8237.

It is a cyclic number.

It is not a de Polignac number, because 12122951 - 2¹⁰ = 12121927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686 + ... + 4971.

It is an arithmetic number, because the mean of its divisors is an integer number (3032688).

Almost surely, 2^12122951 is an apocalyptic number.

12122951 is a deficient number, since it is larger than the sum of its proper divisors (7801).

12122951 is an equidigital number, since it uses as much as digits as its factorization.

12122951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7800.

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

The square root of 12122951 is about 3481.8028376116. The cubic root of 12122951 is about 229.7221029299.

The spelling of 12122951 in words is "twelve million, one hundred twenty-two thousand, nine hundred fifty-one".