2002012212077 has 2 divisors, whose sum is σ = 2002012212078. Its totient is φ = 2002012212076.

The previous prime is 2002012212061. The next prime is 2002012212107. The reversal of 2002012212077 is 7702122102002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1420592236996 + 581419975081 = 1191886^2 + 762509^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002012212077 - 2⁴ = 2002012212061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002012212877) 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, 1001006106038 + 1001006106039.

It is an arithmetic number, because the mean of its divisors is an integer number (1001006106039).

Almost surely, 2^{2002012212077} is an apocalyptic number.

It is an amenable number.

2002012212077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002012212077 is an equidigital number, since it uses as much as digits as its factorization.

2002012212077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 26.

Adding to 2002012212077 its reverse (7702122102002), we get a palindrome (9704134314079).

The spelling of 2002012212077 in words is "two trillion, two billion, twelve million, two hundred twelve thousand, seventy-seven".