2012124245 has 4 divisors (see below), whose sum is σ = 2414549100. Its totient is φ = 1609699392.

The previous prime is 2012124239. The next prime is 2012124271. The reversal of 2012124245 is 5424212102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5424212102 = 2 ⋅2712106051.

It can be written as a sum of positive squares in 2 ways, for example, as 1048270129 + 963854116 = 32377^2 + 31046^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012124245 - 2⁸ = 2012123989 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012124245.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 201212420 + ... + 201212429.

It is an arithmetic number, because the mean of its divisors is an integer number (603637275).

Almost surely, 2^2012124245 is an apocalyptic number.

It is an amenable number.

2012124245 is a deficient number, since it is larger than the sum of its proper divisors (402424855).

2012124245 is an equidigital number, since it uses as much as digits as its factorization.

2012124245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402424854.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2012124245 is about 44856.7079153163. The cubic root of 2012124245 is about 1262.4618544825.

Adding to 2012124245 its reverse (5424212102), we get a palindrome (7436336347).

The spelling of 2012124245 in words is "two billion, twelve million, one hundred twenty-four thousand, two hundred forty-five".