211223025232 has 40 divisors (see below), whose sum is σ = 432018356000. Its totient is φ = 99766276992.

The previous prime is 211223025157. The next prime is 211223025269. The reversal of 211223025232 is 232520322112.

It is a junction number, because it is equal to n+sod(n) for n = 211223025197 and 211223025206.

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, 889338 + ... + 1101529.

It is an arithmetic number, because the mean of its divisors is an integer number (10800458900).

Almost surely, 2^211223025232 is an apocalyptic number.

It is an amenable number.

211223025232 is an abundant number, since it is smaller than the sum of its proper divisors (220795330768).

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

211223025232 is a wasteful number, since it uses less digits than its factorization.

211223025232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991243 (or 1991237 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 211223025232 its reverse (232520322112), we get a palindrome (443743347344).

The spelling of 211223025232 in words is "two hundred eleven billion, two hundred twenty-three million, twenty-five thousand, two hundred thirty-two".