16012312 has 8 divisors (see below), whose sum is σ = 30023100. Its totient is φ = 8006152.

The previous prime is 16012309. The next prime is 16012313. The reversal of 16012312 is 21321061.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16012313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000762 + ... + 1000777.

Almost surely, 2^16012312 is an apocalyptic number.

It is an amenable number.

16012312 is a deficient number, since it is larger than the sum of its proper divisors (14010788).

16012312 is a wasteful number, since it uses less digits than its factorization.

16012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001545 (or 2001541 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 16012312 is about 4001.5387040487. The cubic root of 16012312 is about 252.0488273573.

Adding to 16012312 its reverse (21321061), we get a palindrome (37333373).

The spelling of 16012312 in words is "sixteen million, twelve thousand, three hundred twelve".