403203313212 has 48 divisors (see below), whose sum is σ = 1085854490112. Its totient is φ = 114060340800.

The previous prime is 403203313151. The next prime is 403203313213. The reversal of 403203313212 is 212313302304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403203313213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23754088 + ... + 23771055.

It is an arithmetic number, because the mean of its divisors is an integer number (22621968544).

Almost surely, 2^403203313212 is an apocalyptic number.

403203313212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

403203313212 is an abundant number, since it is smaller than the sum of its proper divisors (682651176900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

403203313212 is a wasteful number, since it uses less digits than its factorization.

403203313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47525258 (or 47525256 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 403203313212 its reverse (212313302304), we get a palindrome (615516615516).

The spelling of 403203313212 in words is "four hundred three billion, two hundred three million, three hundred thirteen thousand, two hundred twelve".