147213212 has 24 divisors (see below), whose sum is σ = 263704896. Its totient is φ = 71876288.

The previous prime is 147213211. The next prime is 147213221. The reversal of 147213212 is 212312741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147213211) 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, 144818 + ... + 145830.

It is an arithmetic number, because the mean of its divisors is an integer number (10987704).

Almost surely, 2^147213212 is an apocalyptic number.

It is an amenable number.

147213212 is a deficient number, since it is larger than the sum of its proper divisors (116491684).

147213212 is a wasteful number, since it uses less digits than its factorization.

147213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837 (or 1835 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 147213212 is about 12133.1451816913. The cubic root of 147213212 is about 528.0182452755.

Adding to 147213212 its reverse (212312741), we get a palindrome (359525953).

The spelling of 147213212 in words is "one hundred forty-seven million, two hundred thirteen thousand, two hundred twelve".