212512372 has 12 divisors (see below), whose sum is σ = 377135136. Its totient is φ = 104759480.

The previous prime is 212512367. The next prime is 212512373. The reversal of 212512372 is 273215212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212512373) 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, 373858 + ... + 374425.

It is an arithmetic number, because the mean of its divisors is an integer number (31427928).

Almost surely, 2^212512372 is an apocalyptic number.

It is an amenable number.

212512372 is a deficient number, since it is larger than the sum of its proper divisors (164622764).

212512372 is a wasteful number, since it uses less digits than its factorization.

212512372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748358 (or 748356 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 212512372 is about 14577.8040870359. The cubic root of 212512372 is about 596.7531767382.

Adding to 212512372 its reverse (273215212), we get a palindrome (485727584).

The spelling of 212512372 in words is "two hundred twelve million, five hundred twelve thousand, three hundred seventy-two".