212954 has 24 divisors (see below), whose sum is σ = 387828. Its totient is φ = 87360.

The previous prime is 212923. The next prime is 212969. The reversal of 212954 is 459212.

It can be written as a sum of positive squares in 2 ways, for example, as 207025 + 5929 = 455^2 + 77^2 .

It is a super-2 number, since 2×212954² = 90698812232, which contains 22 as substring.

212954 is a modest number, since divided by 954 gives 212 as remainder.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3992 + ... + 4044.

2²¹²⁹⁵⁴ is an apocalyptic number.

212954 is a deficient number, since it is larger than the sum of its proper divisors (174874).

212954 is a wasteful number, since it uses less digits than its factorization.

212954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 103 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 212954 is about 461.4693922678. The cubic root of 212954 is about 59.7166267297.

The spelling of 212954 in words is "two hundred twelve thousand, nine hundred fifty-four".