212413522 has 8 divisors (see below), whose sum is σ = 327231756. Its totient is φ = 103336272.

The previous prime is 212413499. The next prime is 212413543. The reversal of 212413522 is 225314212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 210279001 + 2134521 = 14501^2 + 1461^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 212413493 and 212413502.

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, 1435153 + ... + 1435300.

Almost surely, 2^212413522 is an apocalyptic number.

212413522 is a deficient number, since it is larger than the sum of its proper divisors (114818234).

212413522 is a wasteful number, since it uses less digits than its factorization.

212413522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870492.

The product of its digits is 960, while the sum is 22.

The square root of 212413522 is about 14574.4132643479. The cubic root of 212413522 is about 596.6606359297.

Adding to 212413522 its reverse (225314212), we get a palindrome (437727734).

The spelling of 212413522 in words is "two hundred twelve million, four hundred thirteen thousand, five hundred twenty-two".