1012200947 has 2 divisors, whose sum is σ = 1012200948. Its totient is φ = 1012200946.

The previous prime is 1012200941. The next prime is 1012201013. The reversal of 1012200947 is 7490022101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012200947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012200941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506100473 + 506100474.

It is an arithmetic number, because the mean of its divisors is an integer number (506100474).

Almost surely, 2^1012200947 is an apocalyptic number.

1012200947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012200947 is an equidigital number, since it uses as much as digits as its factorization.

1012200947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1012200947 is about 31815.1056418174. The cubic root of 1012200947 is about 1004.0505531997.

The spelling of 1012200947 in words is "one billion, twelve million, two hundred thousand, nine hundred forty-seven".