1012112030203 has 4 divisors (see below), whose sum is σ = 1012422783240. Its totient is φ = 1011801277168.

The previous prime is 1012112030197. The next prime is 1012112030213. The reversal of 1012112030203 is 3020302112101.

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 1012112030203 - 2²⁹ = 1011575159291 is a prime.

It is a super-3 number, since 3×1012112030203³ (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 (1012112030213) 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, 155371633 + ... + 155378146.

It is an arithmetic number, because the mean of its divisors is an integer number (253105695810).

Almost surely, 2^{1012112030203} is an apocalyptic number.

1012112030203 is a deficient number, since it is larger than the sum of its proper divisors (310753037).

1012112030203 is an equidigital number, since it uses as much as digits as its factorization.

1012112030203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310753036.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1012112030203 its reverse (3020302112101), we get a palindrome (4032414142304).

The spelling of 1012112030203 in words is "one trillion, twelve billion, one hundred twelve million, thirty thousand, two hundred three".