212061212 has 18 divisors (see below), whose sum is σ = 407912064. Its totient is φ = 96391240.

The previous prime is 212061211. The next prime is 212061217. The reversal of 212061212 is 212160212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212061211) 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 in 5 ways as a sum of consecutive naturals, for example, 218588 + ... + 219555.

Almost surely, 2^212061212 is an apocalyptic number.

212061212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212061212 is a deficient number, since it is larger than the sum of its proper divisors (195850852).

212061212 is a wasteful number, since it uses less digits than its factorization.

212061212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438169 (or 438156 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 212061212 is about 14562.3216555603. The cubic root of 212061212 is about 596.3305787344.

The spelling of 212061212 in words is "two hundred twelve million, sixty-one thousand, two hundred twelve".