212452443 has 16 divisors (see below), whose sum is σ = 359708160. Its totient is φ = 121401288.

The previous prime is 212452423. The next prime is 212452453. The reversal of 212452443 is 344254212.

212452443 is a `hidden beast` number, since 212 + 4 + 5 + 2 + 443 = 666.

212452443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212452443 - 2¹³ = 212444251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (212452423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561855 + ... + 562232.

It is an arithmetic number, because the mean of its divisors is an integer number (22481760).

Almost surely, 2^212452443 is an apocalyptic number.

212452443 is a deficient number, since it is larger than the sum of its proper divisors (147255717).

212452443 is a wasteful number, since it uses less digits than its factorization.

212452443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124103 (or 1124097 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 212452443 is about 14575.7484541961. The cubic root of 212452443 is about 596.6970761873.

The spelling of 212452443 in words is "two hundred twelve million, four hundred fifty-two thousand, four hundred forty-three".