1012203133 has 4 divisors (see below), whose sum is σ = 1016403388. Its totient is φ = 1008002880.

The previous prime is 1012203107. The next prime is 1012203229. The reversal of 1012203133 is 3313022101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3313022101 = 17 ⋅194883653.

It can be written as a sum of positive squares in 2 ways, for example, as 417916249 + 594286884 = 20443^2 + 24378^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012203133 - 2⁹ = 1012202621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012203833) 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, 2099766 + ... + 2100247.

It is an arithmetic number, because the mean of its divisors is an integer number (254100847).

Almost surely, 2^1012203133 is an apocalyptic number.

It is an amenable number.

1012203133 is a deficient number, since it is larger than the sum of its proper divisors (4200255).

1012203133 is an equidigital number, since it uses as much as digits as its factorization.

1012203133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200254.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1012203133 is about 31815.1399965488. The cubic root of 1012203133 is about 1004.0512759985.

Adding to 1012203133 its reverse (3313022101), we get a palindrome (4325225234).

The spelling of 1012203133 in words is "one billion, twelve million, two hundred three thousand, one hundred thirty-three".