212424401003 has 12 divisors (see below), whose sum is σ = 215298680064. Its totient is φ = 209581398000.

The previous prime is 212424400997. The next prime is 212424401009. The reversal of 212424401003 is 300104424212.

It is an interprime number because it is at equal distance from previous prime (212424400997) and next prime (212424401009).

It is not a de Polignac number, because 212424401003 - 2²² = 212420206699 is a prime.

It is a super-2 number, since 2×212424401003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212424401003.

It is not an unprimeable number, because it can be changed into a prime (212424401009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2933078 + ... + 3004628.

It is an arithmetic number, because the mean of its divisors is an integer number (17941556672).

Almost surely, 2^212424401003 is an apocalyptic number.

212424401003 is a deficient number, since it is larger than the sum of its proper divisors (2874279061).

212424401003 is an equidigital number, since it uses as much as digits as its factorization.

212424401003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71986 (or 71855 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 212424401003 its reverse (300104424212), we get a palindrome (512528825215).

The spelling of 212424401003 in words is "two hundred twelve billion, four hundred twenty-four million, four hundred one thousand, three".