212769852 has 12 divisors (see below), whose sum is σ = 496463016. Its totient is φ = 70923280.

The previous prime is 212769827. The next prime is 212769859. The reversal of 212769852 is 258967212.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212769859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8865399 + ... + 8865422.

It is an arithmetic number, because the mean of its divisors is an integer number (41371918).

Almost surely, 2^212769852 is an apocalyptic number.

It is an amenable number.

212769852 is an abundant number, since it is smaller than the sum of its proper divisors (283693164).

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

212769852 is a wasteful number, since it uses less digits than its factorization.

212769852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17730828 (or 17730826 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 212769852 is about 14586.6326477361. The cubic root of 212769852 is about 596.9940881940.

The spelling of 212769852 in words is "two hundred twelve million, seven hundred sixty-nine thousand, eight hundred fifty-two".