2012002221077 has 2 divisors, whose sum is σ = 2012002221078. Its totient is φ = 2012002221076.

The previous prime is 2012002220993. The next prime is 2012002221101. The reversal of 2012002221077 is 7701222002102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1682211594001 + 329790627076 = 1297001^2 + 574274^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012002221077 - 2²⁰ = 2012001172501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012002220077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006001110538 + 1006001110539.

It is an arithmetic number, because the mean of its divisors is an integer number (1006001110539).

Almost surely, 2^{2012002221077} is an apocalyptic number.

It is an amenable number.

2012002221077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012002221077 is an equidigital number, since it uses as much as digits as its factorization.

2012002221077 is an evil number, because the sum of its binary digits is even.

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

Adding to 2012002221077 its reverse (7701222002102), we get a palindrome (9713224223179).

The spelling of 2012002221077 in words is "two trillion, twelve billion, two million, two hundred twenty-one thousand, seventy-seven".