1272901301011 has 2 divisors, whose sum is σ = 1272901301012. Its totient is φ = 1272901301010.

The previous prime is 1272901300873. The next prime is 1272901301051. The reversal of 1272901301011 is 1101031092721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1272901301011 - 2²¹ = 1272899203859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1272901301051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636450650505 + 636450650506.

It is an arithmetic number, because the mean of its divisors is an integer number (636450650506).

Almost surely, 2^{1272901301011} is an apocalyptic number.

1272901301011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1272901301011 is an equidigital number, since it uses as much as digits as its factorization.

1272901301011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 28.

Adding to 1272901301011 its reverse (1101031092721), we get a palindrome (2373932393732).

The spelling of 1272901301011 in words is "one trillion, two hundred seventy-two billion, nine hundred one million, three hundred one thousand, eleven".