1012121424243 has 12 divisors (see below), whose sum is σ = 1512365346960. Its totient is φ = 651480456816.

The previous prime is 1012121424203. The next prime is 1012121424247. The reversal of 1012121424243 is 3424241212101.

1012121424243 is a `hidden beast` number, since 1 + 0 + 1 + 21 + 214 + 2 + 424 + 3 = 666.

It is not a de Polignac number, because 1012121424243 - 2¹³ = 1012121416051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012121424247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1938929671 + ... + 1938930192.

It is an arithmetic number, because the mean of its divisors is an integer number (126030445580).

Almost surely, 2^{1012121424243} is an apocalyptic number.

1012121424243 is a deficient number, since it is larger than the sum of its proper divisors (500243922717).

1012121424243 is a wasteful number, since it uses less digits than its factorization.

1012121424243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877859898 (or 3877859895 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1012121424243 its reverse (3424241212101), we get a palindrome (4436362636344).

The spelling of 1012121424243 in words is "one trillion, twelve billion, one hundred twenty-one million, four hundred twenty-four thousand, two hundred forty-three".