213121212023032 has 32 divisors (see below), whose sum is σ = 405433192320000. Its totient is φ = 105007195692000.

The previous prime is 213121212023009. The next prime is 213121212023047. The reversal of 213121212023032 is 230320212121312.

It is a junction number, because it is equal to n+sod(n) for n = 213121212022988 and 213121212023006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92714844 + ... + 94985707.

It is an arithmetic number, because the mean of its divisors is an integer number (12669787260000).

Almost surely, 2^{213121212023032} is an apocalyptic number.

It is an amenable number.

213121212023032 is a deficient number, since it is larger than the sum of its proper divisors (192311980296968).

213121212023032 is a wasteful number, since it uses less digits than its factorization.

213121212023032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187702627 (or 187702623 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 213121212023032 its reverse (230320212121312), we get a palindrome (443441424144344).

The spelling of 213121212023032 in words is "two hundred thirteen trillion, one hundred twenty-one billion, two hundred twelve million, twenty-three thousand, thirty-two".