1234204132145 has 8 divisors (see below), whose sum is σ = 1481065269480. Its totient is φ = 987349765120.

The previous prime is 1234204132103. The next prime is 1234204132163. The reversal of 1234204132145 is 5412314024321.

It can be written as a sum of positive squares in 4 ways, for example, as 290384110129 + 943820022016 = 538873^2 + 971504^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1234204132145 - 2¹⁶ = 1234204066609 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282490 + ... + 2028099.

It is an arithmetic number, because the mean of its divisors is an integer number (185133158685).

Almost surely, 2^{1234204132145} is an apocalyptic number.

It is an amenable number.

1234204132145 is a deficient number, since it is larger than the sum of its proper divisors (246861137335).

1234204132145 is an equidigital number, since it uses as much as digits as its factorization.

1234204132145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385155.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 1234204132145 its reverse (5412314024321), we get a palindrome (6646518156466).

The spelling of 1234204132145 in words is "one trillion, two hundred thirty-four billion, two hundred four million, one hundred thirty-two thousand, one hundred forty-five".