211223323121232 has 40 divisors (see below), whose sum is σ = 560407825763296. Its totient is φ = 68504861552256.

The previous prime is 211223323121171. The next prime is 211223323121281. The reversal of 211223323121232 is 232121323322112.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 211223323121232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59466023878 + ... + 59466027429.

Almost surely, 2^{211223323121232} is an apocalyptic number.

It is an amenable number.

211223323121232 is an abundant number, since it is smaller than the sum of its proper divisors (349184502642064).

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

211223323121232 is a wasteful number, since it uses less digits than its factorization.

211223323121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118932051355 (or 118932051349 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

Adding to 211223323121232 its reverse (232121323322112), we get a palindrome (443344646443344).

The spelling of 211223323121232 in words is "two hundred eleven trillion, two hundred twenty-three billion, three hundred twenty-three million, one hundred twenty-one thousand, two hundred thirty-two".