16212812 has 24 divisors (see below), whose sum is σ = 35374080. Its totient is φ = 6316560.

The previous prime is 16212811. The next prime is 16212817. The reversal of 16212812 is 21821261.

It is not an unprimeable number, because it can be changed into a prime (16212811) 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, 26012 + ... + 26627.

It is an arithmetic number, because the mean of its divisors is an integer number (1473920).

Almost surely, 2^16212812 is an apocalyptic number.

It is an amenable number.

16212812 is an abundant number, since it is smaller than the sum of its proper divisors (19161268).

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

16212812 is a wasteful number, since it uses less digits than its factorization.

16212812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52661 (or 52659 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

The square root of 16212812 is about 4026.5136284384. The cubic root of 16212812 is about 253.0964860834.

The spelling of 16212812 in words is "sixteen million, two hundred twelve thousand, eight hundred twelve".