212302012 has 24 divisors (see below), whose sum is σ = 413017472. Its totient is φ = 94824000.

The previous prime is 212302009. The next prime is 212302019. The reversal of 212302012 is 210203212.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 212301983 and 212302001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212302019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64239 + ... + 67462.

Almost surely, 2^212302012 is an apocalyptic number.

It is an amenable number.

212302012 is a deficient number, since it is larger than the sum of its proper divisors (200715460).

212302012 is a wasteful number, since it uses less digits than its factorization.

212302012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131749 (or 131747 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 212302012 is about 14570.5872222090. The cubic root of 212302012 is about 596.5562086897.

Adding to 212302012 its reverse (210203212), we get a palindrome (422505224).

The spelling of 212302012 in words is "two hundred twelve million, three hundred two thousand, twelve".