16512101212 has 12 divisors (see below), whose sum is σ = 30152532816. Its totient is φ = 7897091840.

The previous prime is 16512101201. The next prime is 16512101213. The reversal of 16512101212 is 21210121561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16512101213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89739589 + ... + 89739772.

It is an arithmetic number, because the mean of its divisors is an integer number (2512711068).

Almost surely, 2^16512101212 is an apocalyptic number.

It is an amenable number.

16512101212 is a deficient number, since it is larger than the sum of its proper divisors (13640431604).

16512101212 is a wasteful number, since it uses less digits than its factorization.

16512101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179479388 (or 179479386 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 16512101212 its reverse (21210121561), we get a palindrome (37722222773).

The spelling of 16512101212 in words is "sixteen billion, five hundred twelve million, one hundred one thousand, two hundred twelve".