12121132151 has 2 divisors, whose sum is σ = 12121132152. Its totient is φ = 12121132150.

The previous prime is 12121132097. The next prime is 12121132183. The reversal of 12121132151 is 15123112121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12121132151 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12121132451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060566075 + 6060566076.

It is an arithmetic number, because the mean of its divisors is an integer number (6060566076).

Almost surely, 2^12121132151 is an apocalyptic number.

12121132151 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121132151 is an equidigital number, since it uses as much as digits as its factorization.

12121132151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 20.

Adding to 12121132151 its reverse (15123112121), we get a palindrome (27244244272).

The spelling of 12121132151 in words is "twelve billion, one hundred twenty-one million, one hundred thirty-two thousand, one hundred fifty-one".