12015229 has 2 divisors, whose sum is σ = 12015230. Its totient is φ = 12015228.

The previous prime is 12015217. The next prime is 12015233. The reversal of 12015229 is 92251021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8122500 + 3892729 = 2850^2 + 1973^2 .

It is a cyclic number.

It is not a de Polignac number, because 12015229 - 2¹⁷ = 11884157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12015529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6007614 + 6007615.

It is an arithmetic number, because the mean of its divisors is an integer number (6007615).

Almost surely, 2^12015229 is an apocalyptic number.

It is an amenable number.

12015229 is a deficient number, since it is larger than the sum of its proper divisors (1).

12015229 is an equidigital number, since it uses as much as digits as its factorization.

12015229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 12015229 is about 3466.2990349940. The cubic root of 12015229 is about 229.0396567541.

The spelling of 12015229 in words is "twelve million, fifteen thousand, two hundred twenty-nine".