2012131121330 has 64 divisors (see below), whose sum is σ = 4087900586880. Its totient is φ = 706356403200.

The previous prime is 2012131121311. The next prime is 2012131121369. The reversal of 2012131121330 is 331211312102.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25515722 + ... + 25594458.

It is an arithmetic number, because the mean of its divisors is an integer number (63873446670).

Almost surely, 2^{2012131121330} is an apocalyptic number.

2012131121330 is an abundant number, since it is smaller than the sum of its proper divisors (2075769465550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2012131121330 is a wasteful number, since it uses less digits than its factorization.

2012131121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86795.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2012131121330 its reverse (331211312102), we get a palindrome (2343342433432).

The spelling of 2012131121330 in words is "two trillion, twelve billion, one hundred thirty-one million, one hundred twenty-one thousand, three hundred thirty".