1012121213103 has 48 divisors (see below), whose sum is σ = 1962901764096. Its totient is φ = 485332845120.

The previous prime is 1012121213093. The next prime is 1012121213107. The reversal of 1012121213103 is 3013121212101.

1012121213103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1012121213103 - 2⁶ = 1012121213039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012121213107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56163775 + ... + 56181792.

It is an arithmetic number, because the mean of its divisors is an integer number (40893786752).

Almost surely, 2^{1012121213103} is an apocalyptic number.

1012121213103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1012121213103 is a deficient number, since it is larger than the sum of its proper divisors (950780550993).

1012121213103 is a wasteful number, since it uses less digits than its factorization.

1012121213103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112345604 (or 112345601 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1012121213103 its reverse (3013121212101), we get a palindrome (4025242425204).

The spelling of 1012121213103 in words is "one trillion, twelve billion, one hundred twenty-one million, two hundred thirteen thousand, one hundred three".