212031043004 has 24 divisors (see below), whose sum is σ = 418744695600. Its totient is φ = 93054375680.

The previous prime is 212031042959. The next prime is 212031043013. The reversal of 212031043004 is 400340130212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83082989 + ... + 83085540.

It is an arithmetic number, because the mean of its divisors is an integer number (17447695650).

Almost surely, 2^212031043004 is an apocalyptic number.

It is an amenable number.

212031043004 is a deficient number, since it is larger than the sum of its proper divisors (206713652596).

212031043004 is a wasteful number, since it uses less digits than its factorization.

212031043004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166168573 (or 166168571 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212031043004 its reverse (400340130212), we get a palindrome (612371173216).

The spelling of 212031043004 in words is "two hundred twelve billion, thirty-one million, forty-three thousand, four".