1012130110203 has 4 divisors (see below), whose sum is σ = 1349506813608. Its totient is φ = 674753406800.

The previous prime is 1012130110139. The next prime is 1012130110223. The reversal of 1012130110203 is 3020110312101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1012130110203 - 2⁶ = 1012130110139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012130110223) 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, 168688351698 + ... + 168688351703.

It is an arithmetic number, because the mean of its divisors is an integer number (337376703402).

Almost surely, 2^{1012130110203} is an apocalyptic number.

1012130110203 is a deficient number, since it is larger than the sum of its proper divisors (337376703405).

1012130110203 is an equidigital number, since it uses as much as digits as its factorization.

1012130110203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337376703404.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1012130110203 its reverse (3020110312101), we get a palindrome (4032240422304).

The spelling of 1012130110203 in words is "one trillion, twelve billion, one hundred thirty million, one hundred ten thousand, two hundred three".