212513074 has 8 divisors (see below), whose sum is σ = 323136540. Its totient is φ = 104800896.

The previous prime is 212513053. The next prime is 212513101. The reversal of 212513074 is 470315212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 199007449 + 13505625 = 14107^2 + 3675^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727639 + ... + 727930.

Almost surely, 2^212513074 is an apocalyptic number.

212513074 is a deficient number, since it is larger than the sum of its proper divisors (110623466).

212513074 is a wasteful number, since it uses less digits than its factorization.

212513074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455644.

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

The square root of 212513074 is about 14577.8281647164. The cubic root of 212513074 is about 596.7538338298.

Adding to 212513074 its reverse (470315212), we get a palindrome (682828286).

The spelling of 212513074 in words is "two hundred twelve million, five hundred thirteen thousand, seventy-four".