212404101444 has 48 divisors (see below), whose sum is σ = 560010830400. Its totient is φ = 69601341888.

The previous prime is 212404101443. The next prime is 212404101451. The reversal of 212404101444 is 444101404212.

It is a happy number.

212404101444 is a `hidden beast` number, since 2 + 1 + 240 + 410 + 1 + 4 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (212404101443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16660617 + ... + 16673360.

It is an arithmetic number, because the mean of its divisors is an integer number (11666892300).

Almost surely, 2^212404101444 is an apocalyptic number.

It is an amenable number.

212404101444 is an abundant number, since it is smaller than the sum of its proper divisors (347606728956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212404101444 is a wasteful number, since it uses less digits than its factorization.

212404101444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33334049 (or 33334041 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 212404101444 its reverse (444101404212), we get a palindrome (656505505656).

The spelling of 212404101444 in words is "two hundred twelve billion, four hundred four million, one hundred one thousand, four hundred forty-four".