133212310249 has 2 divisors, whose sum is σ = 133212310250. Its totient is φ = 133212310248.

The previous prime is 133212310211. The next prime is 133212310261. The reversal of 133212310249 is 942013212331.

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., 111777886224 + 21434424025 = 334332^2 + 146405^2 .

It is an emirp because it is prime and its reverse (942013212331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133212310249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133212310249.

It is not a weakly prime, because it can be changed into another prime (133212320249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66606155124 + 66606155125.

It is an arithmetic number, because the mean of its divisors is an integer number (66606155125).

Almost surely, 2^133212310249 is an apocalyptic number.

It is an amenable number.

133212310249 is a deficient number, since it is larger than the sum of its proper divisors (1).

133212310249 is an equidigital number, since it uses as much as digits as its factorization.

133212310249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 133212310249 in words is "one hundred thirty-three billion, two hundred twelve million, three hundred ten thousand, two hundred forty-nine".