212477850 has 96 divisors (see below), whose sum is σ = 630584640. Its totient is φ = 52297920.

The previous prime is 212477843. The next prime is 212477851. The reversal of 212477850 is 58774212.

212477850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (212477851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11497 + ... + 23603.

It is an arithmetic number, because the mean of its divisors is an integer number (6568590).

Almost surely, 2^212477850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212477850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315292320).

212477850 is an abundant number, since it is smaller than the sum of its proper divisors (418106790).

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

212477850 is a wasteful number, since it uses less digits than its factorization.

212477850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12141 (or 12130 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 212477850 is about 14576.6199785821. The cubic root of 212477850 is about 596.7208613980.

The spelling of 212477850 in words is "two hundred twelve million, four hundred seventy-seven thousand, eight hundred fifty".