352242004121 has 6 divisors (see below), whose sum is σ = 409750902810. Its totient is φ = 301921717776.

The previous prime is 352242004091. The next prime is 352242004133. The reversal of 352242004121 is 121400242253.

It can be written as a sum of positive squares in only one way, i.e., 220519464025 + 131722540096 = 469595^2 + 362936^2 .

It is not a de Polignac number, because 352242004121 - 2⁶ = 352242004057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352242064121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3594306116 + ... + 3594306213.

It is an arithmetic number, because the mean of its divisors is an integer number (68291817135).

Almost surely, 2^352242004121 is an apocalyptic number.

It is an amenable number.

352242004121 is a deficient number, since it is larger than the sum of its proper divisors (57508898689).

352242004121 is an equidigital number, since it uses as much as digits as its factorization.

352242004121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7188612343 (or 7188612336 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 352242004121 its reverse (121400242253), we get a palindrome (473642246374).

The spelling of 352242004121 in words is "three hundred fifty-two billion, two hundred forty-two million, four thousand, one hundred twenty-one".