212320543432 has 32 divisors (see below), whose sum is σ = 401409328320. Its totient is φ = 105281525440.

The previous prime is 212320543403. The next prime is 212320543441. The reversal of 212320543432 is 234345023212.

It is a junction number, because it is equal to n+sod(n) for n = 212320543394 and 212320543403.

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, 273543 + ... + 706729.

It is an arithmetic number, because the mean of its divisors is an integer number (12544041510).

Almost surely, 2^212320543432 is an apocalyptic number.

It is an amenable number.

212320543432 is a deficient number, since it is larger than the sum of its proper divisors (189088784888).

212320543432 is a wasteful number, since it uses less digits than its factorization.

212320543432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433701 (or 433697 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 212320543432 its reverse (234345023212), we get a palindrome (446665566644).

The spelling of 212320543432 in words is "two hundred twelve billion, three hundred twenty million, five hundred forty-three thousand, four hundred thirty-two".