212621199 has 8 divisors (see below), whose sum is σ = 323994240. Its totient is φ = 121497816.

The previous prime is 212621161. The next prime is 212621209. The reversal of 212621199 is 991126212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212621199 - 2¹⁶ = 212555663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212621119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5062389 + ... + 5062430.

It is an arithmetic number, because the mean of its divisors is an integer number (40499280).

Almost surely, 2^212621199 is an apocalyptic number.

212621199 is a deficient number, since it is larger than the sum of its proper divisors (111373041).

212621199 is a wasteful number, since it uses less digits than its factorization.

212621199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10124829.

The product of its digits is 3888, while the sum is 33.

The square root of 212621199 is about 14581.5362359389. The cubic root of 212621199 is about 596.8550245739.

The spelling of 212621199 in words is "two hundred twelve million, six hundred twenty-one thousand, one hundred ninety-nine".