1012012121018 has 16 divisors (see below), whose sum is σ = 1519088233320. Its totient is φ = 505649452800.

The previous prime is 1012012120993. The next prime is 1012012121047. The reversal of 1012012121018 is 8101212102101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 867928867129 + 144083253889 = 931627^2 + 379583^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41667038 + ... + 41691318.

Almost surely, 2^{1012012121018} is an apocalyptic number.

1012012121018 is a deficient number, since it is larger than the sum of its proper divisors (507076112302).

1012012121018 is a wasteful number, since it uses less digits than its factorization.

1012012121018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38113.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 1012012121018 its reverse (8101212102101), we get a palindrome (9113224223119).

The spelling of 1012012121018 in words is "one trillion, twelve billion, twelve million, one hundred twenty-one thousand, eighteen".