2345212105 has 8 divisors (see below), whose sum is σ = 2867353992. Its totient is φ = 1840770048.

The previous prime is 2345212081. The next prime is 2345212151. The reversal of 2345212105 is 5012125432.

It can be written as a sum of positive squares in 4 ways, for example, as 13191424 + 2332020681 = 3632^2 + 48291^2 .

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 2345212105 - 2⁷ = 2345211977 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2345212105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4424664 + ... + 4425193.

It is an arithmetic number, because the mean of its divisors is an integer number (358419249).

Almost surely, 2^2345212105 is an apocalyptic number.

It is an amenable number.

2345212105 is a deficient number, since it is larger than the sum of its proper divisors (522141887).

2345212105 is an equidigital number, since it uses as much as digits as its factorization.

2345212105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8849915.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2345212105 is about 48427.3900287843. The cubic root of 2345212105 is about 1328.5993706664.

Adding to 2345212105 its reverse (5012125432), we get a palindrome (7357337537).

The spelling of 2345212105 in words is "two billion, three hundred forty-five million, two hundred twelve thousand, one hundred five".