212061332 has 24 divisors (see below), whose sum is σ = 449072064. Its totient is φ = 85537152.

The previous prime is 212061331. The next prime is 212061361. The reversal of 212061332 is 233160212.

It is a happy number.

It is a super-2 number, since 2×212061332² = 89940017059228448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212061331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 222278 + ... + 223229.

It is an arithmetic number, because the mean of its divisors is an integer number (18711336).

Almost surely, 2^212061332 is an apocalyptic number.

It is an amenable number.

212061332 is an abundant number, since it is smaller than the sum of its proper divisors (237010732).

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

212061332 is a wasteful number, since it uses less digits than its factorization.

212061332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445535 (or 445533 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 212061332 is about 14562.3257757818. The cubic root of 212061332 is about 596.3306912171.

The spelling of 212061332 in words is "two hundred twelve million, sixty-one thousand, three hundred thirty-two".