212412512 has 48 divisors (see below), whose sum is σ = 457137072. Its totient is φ = 96560640.

The previous prime is 212412511. The next prime is 212412517. The reversal of 212412512 is 215214212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212412511) 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, 24062 + ... + 31682.

It is an arithmetic number, because the mean of its divisors is an integer number (9523689).

Almost surely, 2^212412512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212412512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228568536).

212412512 is an abundant number, since it is smaller than the sum of its proper divisors (244724560).

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

212412512 is a wasteful number, since it uses less digits than its factorization.

212412512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7711 (or 7703 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 212412512 is about 14574.3786145413. The cubic root of 212412512 is about 596.6596902458.

Adding to 212412512 its reverse (215214212), we get a palindrome (427626724).

The spelling of 212412512 in words is "two hundred twelve million, four hundred twelve thousand, five hundred twelve".