1200210999947 has 2 divisors, whose sum is σ = 1200210999948. Its totient is φ = 1200210999946.

The previous prime is 1200210999941. The next prime is 1200210999973. The reversal of 1200210999947 is 7499990120021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200210999947 - 2³² = 1195916032651 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200210999941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600105499973 + 600105499974.

It is an arithmetic number, because the mean of its divisors is an integer number (600105499974).

Almost surely, 2^{1200210999947} is an apocalyptic number.

1200210999947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200210999947 is an equidigital number, since it uses as much as digits as its factorization.

1200210999947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 53.

The spelling of 1200210999947 in words is "one trillion, two hundred billion, two hundred ten million, nine hundred ninety-nine thousand, nine hundred forty-seven".