212801262 has 16 divisors (see below), whose sum is σ = 425872080. Its totient is φ = 70888832.

The previous prime is 212801249. The next prime is 212801287. The reversal of 212801262 is 262108212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123 + ... + 20630.

It is an arithmetic number, because the mean of its divisors is an integer number (26617005).

Almost surely, 2^212801262 is an apocalyptic number.

212801262 is an abundant number, since it is smaller than the sum of its proper divisors (213070818).

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

212801262 is a wasteful number, since it uses less digits than its factorization.

212801262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22467.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 212801262 is about 14587.7092787045. The cubic root of 212801262 is about 597.0234636929.

Adding to 212801262 its reverse (262108212), we get a palindrome (474909474).

The spelling of 212801262 in words is "two hundred twelve million, eight hundred one thousand, two hundred sixty-two".