212331213003 has 16 divisors (see below), whose sum is σ = 348440965376. Its totient is φ = 111998881440.

The previous prime is 212331212999. The next prime is 212331213007. The reversal of 212331213003 is 300312133212.

It is an interprime number because it is at equal distance from previous prime (212331212999) and next prime (212331213007).

It is not a de Polignac number, because 212331213003 - 2² = 212331212999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (212331213007) 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, 388884733 + ... + 388885278.

It is an arithmetic number, because the mean of its divisors is an integer number (21777560336).

Almost surely, 2^212331213003 is an apocalyptic number.

212331213003 is a deficient number, since it is larger than the sum of its proper divisors (136109752373).

212331213003 is a wasteful number, since it uses less digits than its factorization.

212331213003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777770034.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 212331213003 its reverse (300312133212), we get a palindrome (512643346215).

The spelling of 212331213003 in words is "two hundred twelve billion, three hundred thirty-one million, two hundred thirteen thousand, three".