212612850 has 168 divisors, whose sum is σ = 626157840. Its totient is φ = 53537760.

The previous prime is 212612843. The next prime is 212612879. The reversal of 212612850 is 58216212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 692397 + ... + 692703.

It is an arithmetic number, because the mean of its divisors is an integer number (3727130).

Almost surely, 2^212612850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212612850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313078920).

212612850 is an abundant number, since it is smaller than the sum of its proper divisors (413544990).

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

212612850 is a wasteful number, since it uses less digits than its factorization.

212612850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 212612850 is about 14581.2499464209. The cubic root of 212612850 is about 596.8472122330.

The spelling of 212612850 in words is "two hundred twelve million, six hundred twelve thousand, eight hundred fifty".