2043212155 has 16 divisors (see below), whose sum is σ = 2487513600. Its totient is φ = 1610874720.

The previous prime is 2043212069. The next prime is 2043212189. The reversal of 2043212155 is 5512123402.

It is not a de Polignac number, because 2043212155 - 2¹⁵ = 2043179387 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 221016 + ... + 230074.

It is an arithmetic number, because the mean of its divisors is an integer number (155469600).

Almost surely, 2^2043212155 is an apocalyptic number.

2043212155 is a deficient number, since it is larger than the sum of its proper divisors (444301445).

2043212155 is an equidigital number, since it uses as much as digits as its factorization.

2043212155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9714.

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

The square root of 2043212155 is about 45201.9043293532. The cubic root of 2043212155 is about 1268.9304560879.

Adding to 2043212155 its reverse (5512123402), we get a palindrome (7555335557).

The spelling of 2043212155 in words is "two billion, forty-three million, two hundred twelve thousand, one hundred fifty-five".