2012128690830 has 64 divisors (see below), whose sum is σ = 4848331189248. Its totient is φ = 534436081920.

The previous prime is 2012128690807. The next prime is 2012128690841. The reversal of 2012128690830 is 380968212102.

It is a super-2 number, since 2×2012128690830² (a number of 25 digits) contains 22 as substring.

It is a congruent 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, 7479639 + ... + 7743981.

It is an arithmetic number, because the mean of its divisors is an integer number (75755174832).

Almost surely, 2^{2012128690830} is an apocalyptic number.

2012128690830 is an abundant number, since it is smaller than the sum of its proper divisors (2836202498418).

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

2012128690830 is a wasteful number, since it uses less digits than its factorization.

2012128690830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265361.

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 2012128690830 in words is "two trillion, twelve billion, one hundred twenty-eight million, six hundred ninety thousand, eight hundred thirty".