212415412 has 12 divisors (see below), whose sum is σ = 405520416. Its totient is φ = 96552440.

The previous prime is 212415407. The next prime is 212415433. The reversal of 212415412 is 214514212.

212415412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2413768 + ... + 2413855.

It is an arithmetic number, because the mean of its divisors is an integer number (33793368).

Almost surely, 2^212415412 is an apocalyptic number.

212415412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212415412 is a deficient number, since it is larger than the sum of its proper divisors (193105004).

212415412 is a wasteful number, since it uses less digits than its factorization.

212415412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4827638 (or 4827636 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 212415412 is about 14574.4781038636. The cubic root of 212415412 is about 596.6624055680.

Adding to 212415412 its reverse (214514212), we get a palindrome (426929624).

The spelling of 212415412 in words is "two hundred twelve million, four hundred fifteen thousand, four hundred twelve".