2012550126164 has 6 divisors (see below), whose sum is σ = 3521962720794. Its totient is φ = 1006275063080.

The previous prime is 2012550126157. The next prime is 2012550126179. The reversal of 2012550126164 is 4616210552102.

It can be written as a sum of positive squares in only one way, i.e., 1310356405264 + 702193720900 = 1144708^2 + 837970^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251568765767 + ... + 251568765774.

It is an arithmetic number, because the mean of its divisors is an integer number (586993786799).

Almost surely, 2^{2012550126164} is an apocalyptic number.

It is an amenable number.

2012550126164 is a deficient number, since it is larger than the sum of its proper divisors (1509412594630).

2012550126164 is a wasteful number, since it uses less digits than its factorization.

2012550126164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503137531545 (or 503137531543 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 2012550126164 its reverse (4616210552102), we get a palindrome (6628760678266).

The spelling of 2012550126164 in words is "two trillion, twelve billion, five hundred fifty million, one hundred twenty-six thousand, one hundred sixty-four".