1220207674727 has 2 divisors, whose sum is σ = 1220207674728. Its totient is φ = 1220207674726.

The previous prime is 1220207674723. The next prime is 1220207674733. The reversal of 1220207674727 is 7274767020221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220207674727 - 2² = 1220207674723 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220207674723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610103837363 + 610103837364.

It is an arithmetic number, because the mean of its divisors is an integer number (610103837364).

Almost surely, 2^{1220207674727} is an apocalyptic number.

1220207674727 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220207674727 is an equidigital number, since it uses as much as digits as its factorization.

1220207674727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 921984, while the sum is 47.

The spelling of 1220207674727 in words is "one trillion, two hundred twenty billion, two hundred seven million, six hundred seventy-four thousand, seven hundred twenty-seven".