1200011119877 has 2 divisors, whose sum is σ = 1200011119878. Its totient is φ = 1200011119876.

The previous prime is 1200011119847. The next prime is 1200011120027. The reversal of 1200011119877 is 7789111100021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1198830097921 + 1181021956 = 1094911^2 + 34366^2 .

It is an emirp because it is prime and its reverse (7789111100021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1200011119877 - 2²⁴ = 1199994342661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200011119877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200011119847) 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, 600005559938 + 600005559939.

It is an arithmetic number, because the mean of its divisors is an integer number (600005559939).

Almost surely, 2^{1200011119877} is an apocalyptic number.

It is an amenable number.

1200011119877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200011119877 is an equidigital number, since it uses as much as digits as its factorization.

1200011119877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 38.

Adding to 1200011119877 its reverse (7789111100021), we get a palindrome (8989122219898).

The spelling of 1200011119877 in words is "one trillion, two hundred billion, eleven million, one hundred nineteen thousand, eight hundred seventy-seven".