16545776312212 has 24 divisors (see below), whose sum is σ = 33091684617600. Its totient is φ = 7091018706720.

The previous prime is 16545776312209. The next prime is 16545776312227. The reversal of 16545776312212 is 21221367754561.

It is a self number, because there is not a number n which added to its sum of digits gives 16545776312212.

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, 6950289 + ... + 9022087.

It is an arithmetic number, because the mean of its divisors is an integer number (1378820192400).

Almost surely, 2^{16545776312212} is an apocalyptic number.

It is an amenable number.

16545776312212 is an abundant number, since it is smaller than the sum of its proper divisors (16545908305388).

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

16545776312212 is a wasteful number, since it uses less digits than its factorization.

16545776312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357031 (or 2357029 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 52.

The spelling of 16545776312212 in words is "sixteen trillion, five hundred forty-five billion, seven hundred seventy-six million, three hundred twelve thousand, two hundred twelve".