2012130457 has 8 divisors (see below), whose sum is σ = 2119305600. Its totient is φ = 1905082704.

The previous prime is 2012130451. The next prime is 2012130467. The reversal of 2012130457 is 7540312102.

It is a happy number.

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 2012130457 - 2²³ = 2003741849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012130451) 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, 1488 + ... + 63454.

It is an arithmetic number, because the mean of its divisors is an integer number (264913200).

Almost surely, 2^2012130457 is an apocalyptic number.

It is an amenable number.

2012130457 is a deficient number, since it is larger than the sum of its proper divisors (107175143).

2012130457 is a wasteful number, since it uses less digits than its factorization.

2012130457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63695.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2012130457 is about 44856.7771579725. Note that the first 3 decimals coincide. The cubic root of 2012130457 is about 1262.4631536742.

Adding to 2012130457 its reverse (7540312102), we get a palindrome (9552442559).

The spelling of 2012130457 in words is "two billion, twelve million, one hundred thirty thousand, four hundred fifty-seven".