212979419 has 8 divisors (see below), whose sum is σ = 217728000. Its totient is φ = 208239976.

The previous prime is 212979401. The next prime is 212979427. The reversal of 212979419 is 914979212.

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

It is a cyclic number.

It is not a de Polignac number, because 212979419 - 2²⁴ = 196202203 is a prime.

It is a super-2 number, since 2×212979419² = 90720465835155122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212979419.

It is not an unprimeable number, because it can be changed into a prime (212979469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68942 + ... + 71964.

It is an arithmetic number, because the mean of its divisors is an integer number (27216000).

Almost surely, 2^212979419 is an apocalyptic number.

212979419 is a deficient number, since it is larger than the sum of its proper divisors (4748581).

212979419 is a wasteful number, since it uses less digits than its factorization.

212979419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4569.

The product of its digits is 81648, while the sum is 44.

The square root of 212979419 is about 14593.8144088514. The cubic root of 212979419 is about 597.1900263649.

The spelling of 212979419 in words is "two hundred twelve million, nine hundred seventy-nine thousand, four hundred nineteen".