212150000 has 60 divisors (see below), whose sum is σ = 513888984. Its totient is φ = 84840000.

The previous prime is 212149981. The next prime is 212150011. The reversal of 212150000 is 51212.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 47879 + ... + 52121.

Almost surely, 2^212150000 is an apocalyptic number.

212150000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212150000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256944492).

212150000 is an abundant number, since it is smaller than the sum of its proper divisors (301738984).

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

212150000 is an frugal number, since it uses more digits than its factorization.

212150000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276 (or 4250 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 212150000 is about 14565.3698888837. The cubic root of 212150000 is about 596.4137930905.

It can be divided in two parts, 2 and 12150000, that multiplied together give a 5-th power (24300000 = 30⁵).

The spelling of 212150000 in words is "two hundred twelve million, one hundred fifty thousand".