2012113128730 has 32 divisors (see below), whose sum is σ = 3783239426304. Its totient is φ = 769044076416.

The previous prime is 2012113128691. The next prime is 2012113128733. The reversal of 2012113128730 is 378213112102.

It is a junction number, because it is equal to n+sod(n) for n = 2012113128692 and 2012113128701.

It is not an unprimeable number, because it can be changed into a prime (2012113128733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4370694 + ... + 4809073.

It is an arithmetic number, because the mean of its divisors is an integer number (118226232072).

Almost surely, 2^{2012113128730} is an apocalyptic number.

2012113128730 is a deficient number, since it is larger than the sum of its proper divisors (1771126297574).

2012113128730 is a wasteful number, since it uses less digits than its factorization.

2012113128730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9180750.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 2012113128730 in words is "two trillion, twelve billion, one hundred thirteen million, one hundred twenty-eight thousand, seven hundred thirty".