147216212 has 24 divisors (see below), whose sum is σ = 302669472. Its totient is φ = 61768800.

The previous prime is 147216197. The next prime is 147216217. The reversal of 147216212 is 212612741.

It is a super-2 number, since 2×147216212² = 43345226151257888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147216217) 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, 128114 + ... + 129257.

It is an arithmetic number, because the mean of its divisors is an integer number (12611228).

Almost surely, 2^147216212 is an apocalyptic number.

It is an amenable number.

147216212 is an abundant number, since it is smaller than the sum of its proper divisors (155453260).

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

147216212 is a wasteful number, since it uses less digits than its factorization.

147216212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257399 (or 257397 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 147216212 is about 12133.2688093522. The cubic root of 147216212 is about 528.0218320097.

Adding to 147216212 its reverse (212612741), we get a palindrome (359828953).

The spelling of 147216212 in words is "one hundred forty-seven million, two hundred sixteen thousand, two hundred twelve".