211432223132 has 36 divisors (see below), whose sum is σ = 423286552920. Its totient is φ = 91843855104.

The previous prime is 211432223129. The next prime is 211432223143. The reversal of 211432223132 is 231322234112.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7019582 + ... + 7049637.

Almost surely, 2^211432223132 is an apocalyptic number.

It is an amenable number.

211432223132 is an abundant number, since it is smaller than the sum of its proper divisors (211854329788).

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

211432223132 is a wasteful number, since it uses less digits than its factorization.

211432223132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14069270 (or 14069251 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

Adding to 211432223132 its reverse (231322234112), we get a palindrome (442754457244).

The spelling of 211432223132 in words is "two hundred eleven billion, four hundred thirty-two million, two hundred twenty-three thousand, one hundred thirty-two".