604147212121 has 4 divisors (see below), whose sum is σ = 605080979712. Its totient is φ = 603213444532.

The previous prime is 604147212079. The next prime is 604147212127. The reversal of 604147212121 is 121212741406.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 604147212121 - 2⁹ = 604147211609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604147212127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466882825 + ... + 466884118.

It is an arithmetic number, because the mean of its divisors is an integer number (151270244928).

Almost surely, 2^604147212121 is an apocalyptic number.

It is an amenable number.

604147212121 is a deficient number, since it is larger than the sum of its proper divisors (933767591).

604147212121 is an equidigital number, since it uses as much as digits as its factorization.

604147212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933767590.

The product of its (nonzero) digits is 5376, while the sum is 31.

Adding to 604147212121 its reverse (121212741406), we get a palindrome (725359953527).

The spelling of 604147212121 in words is "six hundred four billion, one hundred forty-seven million, two hundred twelve thousand, one hundred twenty-one".