12001121202977 has 2 divisors, whose sum is σ = 12001121202978. Its totient is φ = 12001121202976.

The previous prime is 12001121202937. The next prime is 12001121203117. The reversal of 12001121202977 is 77920212110021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11166531156496 + 834590046481 = 3341636^2 + 913559^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001121202977 - 2⁴² = 7603074691873 is a prime.

It is not a weakly prime, because it can be changed into another prime (12001121202937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000560601488 + 6000560601489.

It is an arithmetic number, because the mean of its divisors is an integer number (6000560601489).

Almost surely, 2^{12001121202977} is an apocalyptic number.

It is an amenable number.

12001121202977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001121202977 is an equidigital number, since it uses as much as digits as its factorization.

12001121202977 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 35.

Adding to 12001121202977 its reverse (77920212110021), we get a palindrome (89921333312998).

The spelling of 12001121202977 in words is "twelve trillion, one billion, one hundred twenty-one million, two hundred two thousand, nine hundred seventy-seven".