1212332249 has 2 divisors, whose sum is σ = 1212332250. Its totient is φ = 1212332248.

The previous prime is 1212332213. The next prime is 1212332263. The reversal of 1212332249 is 9422332121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 744907849 + 467424400 = 27293^2 + 21620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212332249 - 2¹² = 1212328153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212932249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606166124 + 606166125.

It is an arithmetic number, because the mean of its divisors is an integer number (606166125).

Almost surely, 2^1212332249 is an apocalyptic number.

It is an amenable number.

1212332249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212332249 is an equidigital number, since it uses as much as digits as its factorization.

1212332249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 1212332249 is about 34818.5618456593. The cubic root of 1212332249 is about 1066.2864391643.

The spelling of 1212332249 in words is "one billion, two hundred twelve million, three hundred thirty-two thousand, two hundred forty-nine".