1012206803 has 4 divisors (see below), whose sum is σ = 1012319520. Its totient is φ = 1012094088.

The previous prime is 1012206781. The next prime is 1012206841. The reversal of 1012206803 is 3086022101.

1012206803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3086022101 = 1327 ⋅2325563.

It is a cyclic number.

It is not a de Polignac number, because 1012206803 - 2²⁴ = 995429587 is a prime.

It is a super-2 number, since 2×1012206803² = 2049125224078961618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012206863) 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, 41600 + ... + 61277.

It is an arithmetic number, because the mean of its divisors is an integer number (253079880).

Almost surely, 2^1012206803 is an apocalyptic number.

1012206803 is a deficient number, since it is larger than the sum of its proper divisors (112717).

1012206803 is an equidigital number, since it uses as much as digits as its factorization.

1012206803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112716.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1012206803 is about 31815.1976734390. The cubic root of 1012206803 is about 1004.0524894781.

Adding to 1012206803 its reverse (3086022101), we get a palindrome (4098228904).

The spelling of 1012206803 in words is "one billion, twelve million, two hundred six thousand, eight hundred three".