212471536 has 10 divisors (see below), whose sum is σ = 411663632. Its totient is φ = 106235760.

The previous prime is 212471531. The next prime is 212471561. The reversal of 212471536 is 635174212.

It is a super-2 number, since 2×212471536² = 90288307220398592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212471498 and 212471507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212471531) by changing a digit.

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 as a sum of consecutive naturals, namely, 6639720 + ... + 6639751.

Almost surely, 2^212471536 is an apocalyptic number.

It is an amenable number.

212471536 is a deficient number, since it is larger than the sum of its proper divisors (199192096).

212471536 is a wasteful number, since it uses less digits than its factorization.

212471536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13279479 (or 13279473 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 212471536 is about 14576.4033972719. The cubic root of 212471536 is about 596.7149506127.

The spelling of 212471536 in words is "two hundred twelve million, four hundred seventy-one thousand, five hundred thirty-six".