212548172 has 12 divisors (see below), whose sum is σ = 372065400. Its totient is φ = 106243776.

The previous prime is 212548159. The next prime is 212548177. The reversal of 212548172 is 271845212.

212548172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212548177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17204 + ... + 26852.

It is an arithmetic number, because the mean of its divisors is an integer number (31005450).

Almost surely, 2^212548172 is an apocalyptic number.

It is an amenable number.

212548172 is a deficient number, since it is larger than the sum of its proper divisors (159517228).

212548172 is a wasteful number, since it uses less digits than its factorization.

212548172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15160 (or 15158 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 212548172 is about 14579.0319294527. The cubic root of 212548172 is about 596.7866846919.

The spelling of 212548172 in words is "two hundred twelve million, five hundred forty-eight thousand, one hundred seventy-two".