1012201112077 has 2 divisors, whose sum is σ = 1012201112078. Its totient is φ = 1012201112076.

The previous prime is 1012201112059. The next prime is 1012201112171. The reversal of 1012201112077 is 7702111022101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 690197069961 + 322004042116 = 830781^2 + 567454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012201112077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012201112047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506100556038 + 506100556039.

It is an arithmetic number, because the mean of its divisors is an integer number (506100556039).

Almost surely, 2^{1012201112077} is an apocalyptic number.

It is an amenable number.

1012201112077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012201112077 is an equidigital number, since it uses as much as digits as its factorization.

1012201112077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 25.

Adding to 1012201112077 its reverse (7702111022101), we get a palindrome (8714312134178).

The spelling of 1012201112077 in words is "one trillion, twelve billion, two hundred one million, one hundred twelve thousand, seventy-seven".