1200011010977 has 2 divisors, whose sum is σ = 1200011010978. Its totient is φ = 1200011010976.

The previous prime is 1200011010929. The next prime is 1200011011027. The reversal of 1200011010977 is 7790101100021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 759644723776 + 440366287201 = 871576^2 + 663601^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200011010977 - 2²⁰ = 1200009962401 is a prime.

It is a super-3 number, since 3×1200011010977³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1200011010907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600005505488 + 600005505489.

It is an arithmetic number, because the mean of its divisors is an integer number (600005505489).

Almost surely, 2^{1200011010977} is an apocalyptic number.

It is an amenable number.

1200011010977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200011010977 is an equidigital number, since it uses as much as digits as its factorization.

1200011010977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 29.

Adding to 1200011010977 its reverse (7790101100021), we get a palindrome (8990112110998).

The spelling of 1200011010977 in words is "one trillion, two hundred billion, eleven million, ten thousand, nine hundred seventy-seven".