1200102202049 has 2 divisors, whose sum is σ = 1200102202050. Its totient is φ = 1200102202048.

The previous prime is 1200102202003. The next prime is 1200102202063. The reversal of 1200102202049 is 9402022010021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 753033450625 + 447068751424 = 867775^2 + 668632^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200102202049 - 2¹² = 1200102197953 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1200102201049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600051101024 + 600051101025.

It is an arithmetic number, because the mean of its divisors is an integer number (600051101025).

Almost surely, 2^{1200102202049} is an apocalyptic number.

It is an amenable number.

1200102202049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200102202049 is an equidigital number, since it uses as much as digits as its factorization.

1200102202049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 1200102202049 in words is "one trillion, two hundred billion, one hundred two million, two hundred two thousand, forty-nine".