16432517323212 has 24 divisors (see below), whose sum is σ = 38350892224512. Its totient is φ = 5476312659600.

The previous prime is 16432517323193. The next prime is 16432517323217. The reversal of 16432517323212 is 21232371523461.

It is not an unprimeable number, because it can be changed into a prime (16432517323217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149081964 + ... + 149192147.

It is an arithmetic number, because the mean of its divisors is an integer number (1597953842688).

Almost surely, 2^{16432517323212} is an apocalyptic number.

16432517323212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16432517323212 is an abundant number, since it is smaller than the sum of its proper divisors (21918374901300).

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

16432517323212 is a wasteful number, since it uses less digits than its factorization.

16432517323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298278709 (or 298278707 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

Adding to 16432517323212 its reverse (21232371523461), we get a palindrome (37664888846673).

The spelling of 16432517323212 in words is "sixteen trillion, four hundred thirty-two billion, five hundred seventeen million, three hundred twenty-three thousand, two hundred twelve".