1200000002249 has 2 divisors, whose sum is σ = 1200000002250. Its totient is φ = 1200000002248.

The previous prime is 1200000002189. The next prime is 1200000002263. The reversal of 1200000002249 is 9422000000021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 738857146624 + 461142855625 = 859568^2 + 679075^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200000002249 - 2³⁶ = 1131280525513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200000002249.

It is not a weakly prime, because it can be changed into another prime (1200000002269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600000001124 + 600000001125.

It is an arithmetic number, because the mean of its divisors is an integer number (600000001125).

Almost surely, 2^{1200000002249} is an apocalyptic number.

It is an amenable number.

1200000002249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200000002249 is an equidigital number, since it uses as much as digits as its factorization.

1200000002249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 1200000002249 in words is "one trillion, two hundred billion, two thousand, two hundred forty-nine".