212001332 has 6 divisors (see below), whose sum is σ = 371002338. Its totient is φ = 106000664.

The previous prime is 212001331. The next prime is 212001359. The reversal of 212001332 is 233100212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 143376676 + 68624656 = 11974^2 + 8284^2 .

212001332 is a modest number, since divided by 1332 gives 212 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26500163 + ... + 26500170.

It is an arithmetic number, because the mean of its divisors is an integer number (61833723).

Almost surely, 2^212001332 is an apocalyptic number.

It is an amenable number.

212001332 is a deficient number, since it is larger than the sum of its proper divisors (159001006).

212001332 is a wasteful number, since it uses less digits than its factorization.

212001332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53000337 (or 53000335 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 212001332 is about 14560.2655195570. The cubic root of 212001332 is about 596.2744445703.

Adding to 212001332 its reverse (233100212), we get a palindrome (445101544).

The spelling of 212001332 in words is "two hundred twelve million, one thousand, three hundred thirty-two".