212442010003 has 4 divisors (see below), whose sum is σ = 212498922928. Its totient is φ = 212385097080.

The previous prime is 212442009959. The next prime is 212442010007. The reversal of 212442010003 is 300010244212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212442010003 is a prime.

It is a super-2 number, since 2×212442010003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212442010007) 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, 28450863 + ... + 28458328.

It is an arithmetic number, because the mean of its divisors is an integer number (53124730732).

Almost surely, 2^212442010003 is an apocalyptic number.

212442010003 is a deficient number, since it is larger than the sum of its proper divisors (56912925).

212442010003 is an equidigital number, since it uses as much as digits as its factorization.

212442010003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56912924.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212442010003 its reverse (300010244212), we get a palindrome (512452254215).

The spelling of 212442010003 in words is "two hundred twelve billion, four hundred forty-two million, ten thousand, three".