1220000010947 has 2 divisors, whose sum is σ = 1220000010948. Its totient is φ = 1220000010946.

The previous prime is 1220000010877. The next prime is 1220000011067. The reversal of 1220000010947 is 7490100000221.

It is a weak prime.

It is an emirp because it is prime and its reverse (7490100000221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220000010947 - 2¹² = 1220000006851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220000060947) 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, 610000005473 + 610000005474.

It is an arithmetic number, because the mean of its divisors is an integer number (610000005474).

Almost surely, 2^{1220000010947} is an apocalyptic number.

1220000010947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220000010947 is an equidigital number, since it uses as much as digits as its factorization.

1220000010947 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 spelling of 1220000010947 in words is "one trillion, two hundred twenty billion, ten thousand, nine hundred forty-seven".