212454099 has 72 divisors (see below), whose sum is σ = 372772400. Its totient is φ = 115758720.

The previous prime is 212454023. The next prime is 212454113. The reversal of 212454099 is 990454212.

212454099 is a `hidden beast` number, since 2 + 1 + 24 + 540 + 99 = 666.

It is not a de Polignac number, because 212454099 - 2¹³ = 212445907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212454019) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 608577 + ... + 608925.

Almost surely, 2^212454099 is an apocalyptic number.

212454099 is a deficient number, since it is larger than the sum of its proper divisors (160318301).

212454099 is a wasteful number, since it uses less digits than its factorization.

212454099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 212454099 is about 14575.8052607738. The cubic root of 212454099 is about 596.6986265387.

The spelling of 212454099 in words is "two hundred twelve million, four hundred fifty-four thousand, ninety-nine".