1012012013121 has 16 divisors (see below), whose sum is σ = 1354817596608. Its totient is φ = 671940920000.

The previous prime is 1012012013119. The next prime is 1012012013161. The reversal of 1012012013121 is 1213102102101.

1012012013121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1012012013121 - 2¹ = 1012012013119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012012013121.

It is not an unprimeable number, because it can be changed into a prime (1012012013161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13774135 + ... + 13847411.

It is an arithmetic number, because the mean of its divisors is an integer number (84676099788).

Almost surely, 2^{1012012013121} is an apocalyptic number.

It is an amenable number.

1012012013121 is a deficient number, since it is larger than the sum of its proper divisors (342805583487).

1012012013121 is a wasteful number, since it uses less digits than its factorization.

1012012013121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91872.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1012012013121 its reverse (1213102102101), we get a palindrome (2225114115222).

The spelling of 1012012013121 in words is "one trillion, twelve billion, twelve million, thirteen thousand, one hundred twenty-one".