10203212443 has 4 divisors (see below), whose sum is σ = 10203497920. Its totient is φ = 10202926968.

The previous prime is 10203212441. The next prime is 10203212471. The reversal of 10203212443 is 34421230201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34421230201 = 33581 ⋅1025021.

It is a cyclic number.

It is not a de Polignac number, because 10203212443 - 2¹ = 10203212441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10203212441) 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, 79908 + ... + 163681.

It is an arithmetic number, because the mean of its divisors is an integer number (2550874480).

Almost surely, 2^10203212443 is an apocalyptic number.

10203212443 is a deficient number, since it is larger than the sum of its proper divisors (285477).

10203212443 is an equidigital number, since it uses as much as digits as its factorization.

10203212443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285476.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 10203212443 its reverse (34421230201), we get a palindrome (44624442644).

The spelling of 10203212443 in words is "ten billion, two hundred three million, two hundred twelve thousand, four hundred forty-three".