2012345125 has 16 divisors (see below), whose sum is σ = 2870180352. Its totient is φ = 1379893200.

The previous prime is 2012345053. The next prime is 2012345143. The reversal of 2012345125 is 5215432102.

It is not a de Polignac number, because 2012345125 - 2¹¹ = 2012343077 is a prime.

It is a super-2 number, since 2×2012345125² = 8099065804222531250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 2012345125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1149037 + ... + 1150786.

It is an arithmetic number, because the mean of its divisors is an integer number (179386272).

Almost surely, 2^2012345125 is an apocalyptic number.

2012345125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2012345125 is a deficient number, since it is larger than the sum of its proper divisors (857835227).

2012345125 is an equidigital number, since it uses as much as digits as its factorization.

2012345125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299845 (or 2299835 counting only the distinct ones).

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

The square root of 2012345125 is about 44859.1699098412. The cubic root of 2012345125 is about 1262.5080481793.

Adding to 2012345125 its reverse (5215432102), we get a palindrome (7227777227).

The spelling of 2012345125 in words is "two billion, twelve million, three hundred forty-five thousand, one hundred twenty-five".