1404314212121 has 8 divisors (see below), whose sum is σ = 1429211409288. Its totient is φ = 1379477520000.

The previous prime is 1404314212117. The next prime is 1404314212127. The reversal of 1404314212121 is 1212124134041.

It can be written as a sum of positive squares in 4 ways, for example, as 8050575625 + 1396263636496 = 89725^2 + 1181636^2 .

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 1404314212121 - 2² = 1404314212117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404314212127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15079430 + ... + 15172271.

It is an arithmetic number, because the mean of its divisors is an integer number (178651426161).

Almost surely, 2^{1404314212121} is an apocalyptic number.

It is an amenable number.

1404314212121 is a deficient number, since it is larger than the sum of its proper divisors (24897197167).

1404314212121 is an equidigital number, since it uses as much as digits as its factorization.

1404314212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30252523.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 1404314212121 its reverse (1212124134041), we get a palindrome (2616438346162).

The spelling of 1404314212121 in words is "one trillion, four hundred four billion, three hundred fourteen million, two hundred twelve thousand, one hundred twenty-one".