2012125547 has 4 divisors (see below), whose sum is σ = 2027485416. Its totient is φ = 1996765680.

The previous prime is 2012125529. The next prime is 2012125561. The reversal of 2012125547 is 7455212102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2012125547 - 2¹⁰ = 2012124523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012125597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7679738 + ... + 7679999.

It is an arithmetic number, because the mean of its divisors is an integer number (506871354).

Almost surely, 2^2012125547 is an apocalyptic number.

2012125547 is a deficient number, since it is larger than the sum of its proper divisors (15359869).

2012125547 is a wasteful number, since it uses less digits than its factorization.

2012125547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15359868.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2012125547 is about 44856.7224281935. The cubic root of 2012125547 is about 1262.4621267860.

Adding to 2012125547 its reverse (7455212102), we get a palindrome (9467337649).

The spelling of 2012125547 in words is "two billion, twelve million, one hundred twenty-five thousand, five hundred forty-seven".