212404412319 has 8 divisors (see below), whose sum is σ = 308951872512. Its totient is φ = 128729946840.

The previous prime is 212404412317. The next prime is 212404412321. The reversal of 212404412319 is 913214404212.

It is an interprime number because it is at equal distance from previous prime (212404412317) and next prime (212404412321).

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

It is not a de Polignac number, because 212404412319 - 2¹ = 212404412317 is a prime.

It is a super-2 number, since 2×212404412319² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 6436497343 = 212404412319 / (2 + 1 + 2 + 4 + 0 + 4 + 4 + 1 + 2 + 3 + 1 + 9).

It is a self number, because there is not a number n which added to its sum of digits gives 212404412319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212404412317) 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, 3218248639 + ... + 3218248704.

It is an arithmetic number, because the mean of its divisors is an integer number (38618984064).

Almost surely, 2^212404412319 is an apocalyptic number.

212404412319 is a deficient number, since it is larger than the sum of its proper divisors (96547460193).

212404412319 is a wasteful number, since it uses less digits than its factorization.

212404412319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6436497357.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 212404412319 in words is "two hundred twelve billion, four hundred four million, four hundred twelve thousand, three hundred nineteen".