1012442012121 has 8 divisors (see below), whose sum is σ = 1349970200704. Its totient is φ = 674937582480.

The previous prime is 1012442012111. The next prime is 1012442012123. The reversal of 1012442012121 is 1212102442101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012442012121 - 2⁵ = 1012442012089 is a prime.

It is a super-2 number, since 2×1012442012121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1012442012123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5840065 + ... + 6010926.

It is an arithmetic number, because the mean of its divisors is an integer number (168746275088).

Almost surely, 2^{1012442012121} is an apocalyptic number.

It is an amenable number.

1012442012121 is a deficient number, since it is larger than the sum of its proper divisors (337528188583).

1012442012121 is a wasteful number, since it uses less digits than its factorization.

1012442012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11879471.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1012442012121 its reverse (1212102442101), we get a palindrome (2224544454222).

The spelling of 1012442012121 in words is "one trillion, twelve billion, four hundred forty-two million, twelve thousand, one hundred twenty-one".