2112333235405 has 8 divisors (see below), whose sum is σ = 2534808631032. Its totient is φ = 1689860755968.

The previous prime is 2112333235403. The next prime is 2112333235409. The reversal of 2112333235405 is 5045323332112.

It can be written as a sum of positive squares in 4 ways, for example, as 15496017289 + 2096837218116 = 124483^2 + 1448046^2 .

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 2112333235405 - 2¹ = 2112333235403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112333235403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1464537 + ... + 2523793.

It is an arithmetic number, because the mean of its divisors is an integer number (316851078879).

Almost surely, 2^{2112333235405} is an apocalyptic number.

It is an amenable number.

2112333235405 is a deficient number, since it is larger than the sum of its proper divisors (422475395627).

2112333235405 is a wasteful number, since it uses less digits than its factorization.

2112333235405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458095.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 2112333235405 its reverse (5045323332112), we get a palindrome (7157656567517).

The spelling of 2112333235405 in words is "two trillion, one hundred twelve billion, three hundred thirty-three million, two hundred thirty-five thousand, four hundred five".