212271324 has 48 divisors (see below), whose sum is σ = 518192640. Its totient is φ = 67503040.

The previous prime is 212271313. The next prime is 212271337. The reversal of 212271324 is 423172212.

It is a super-2 number, since 2×212271324² = 90118229985425952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212271294 and 212271303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139729 + ... + 141239.

It is an arithmetic number, because the mean of its divisors is an integer number (10795680).

Almost surely, 2^212271324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212271324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259096320).

212271324 is an abundant number, since it is smaller than the sum of its proper divisors (305921316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212271324 is a wasteful number, since it uses less digits than its factorization.

212271324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050 (or 2048 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 212271324 is about 14569.5341037385. The cubic root of 212271324 is about 596.5274634776.

The spelling of 212271324 in words is "two hundred twelve million, two hundred seventy-one thousand, three hundred twenty-four".