213221414432 has 48 divisors (see below), whose sum is σ = 457517108160. Its totient is φ = 97224206592.

The previous prime is 213221414429. The next prime is 213221414453. The reversal of 213221414432 is 234414122312.

It is a junction number, because it is equal to n+sod(n) for n = 213221414395 and 213221414404.

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, 3053132 + ... + 3122187.

It is an arithmetic number, because the mean of its divisors is an integer number (9531606420).

Almost surely, 2^213221414432 is an apocalyptic number.

It is an amenable number.

213221414432 is an abundant number, since it is smaller than the sum of its proper divisors (244295693728).

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

213221414432 is a wasteful number, since it uses less digits than its factorization.

213221414432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6175425 (or 6175417 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 213221414432 its reverse (234414122312), we get a palindrome (447635536744).

The spelling of 213221414432 in words is "two hundred thirteen billion, two hundred twenty-one million, four hundred fourteen thousand, four hundred thirty-two".