212112452 has 12 divisors (see below), whose sum is σ = 373248876. Its totient is φ = 105469920.

The previous prime is 212112431. The next prime is 212112469. The reversal of 212112452 is 254211212.

212112452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 56761156 + 155351296 = 7534^2 + 12464^2 .

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, 145763 + ... + 147210.

It is an arithmetic number, because the mean of its divisors is an integer number (31104073).

Almost surely, 2^212112452 is an apocalyptic number.

It is an amenable number.

212112452 is a deficient number, since it is larger than the sum of its proper divisors (161136424).

212112452 is a wasteful number, since it uses less digits than its factorization.

212112452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293158 (or 293156 counting only the distinct ones).

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

The square root of 212112452 is about 14564.0808841478. The cubic root of 212112452 is about 596.3786049903.

Adding to 212112452 its reverse (254211212), we get a palindrome (466323664).

The spelling of 212112452 in words is "two hundred twelve million, one hundred twelve thousand, four hundred fifty-two".