1012010013121 has 4 divisors (see below), whose sum is σ = 1014195780352. Its totient is φ = 1009824245892.

The previous prime is 1012010013067. The next prime is 1012010013163. The reversal of 1012010013121 is 1213100102101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1012010013121 - 2¹¹ = 1012010011073 is a prime.

It is a super-3 number, since 3×1012010013121³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012010013181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092882921 + ... + 1092883846.

It is an arithmetic number, because the mean of its divisors is an integer number (253548945088).

Almost surely, 2^{1012010013121} is an apocalyptic number.

It is an amenable number.

1012010013121 is a deficient number, since it is larger than the sum of its proper divisors (2185767231).

1012010013121 is an equidigital number, since it uses as much as digits as its factorization.

1012010013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185767230.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1012010013121 its reverse (1213100102101), we get a palindrome (2225110115222).

The spelling of 1012010013121 in words is "one trillion, twelve billion, ten million, thirteen thousand, one hundred twenty-one".