2011212232320 has 128 divisors (see below), whose sum is σ = 6584002439040. Its totient is φ = 521828020224.

The previous prime is 2011212232319. The next prime is 2011212232361. The reversal of 2011212232320 is 232322121102.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14084452 + ... + 14226531.

It is an arithmetic number, because the mean of its divisors is an integer number (51437519055).

Almost surely, 2^{2011212232320} is an apocalyptic number.

2011212232320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011212232320 is an abundant number, since it is smaller than the sum of its proper divisors (4572790206720).

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

2011212232320 is a wasteful number, since it uses less digits than its factorization.

2011212232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28311042 (or 28311030 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2011212232320 its reverse (232322121102), we get a palindrome (2243534353422).

The spelling of 2011212232320 in words is "two trillion, eleven billion, two hundred twelve million, two hundred thirty-two thousand, three hundred twenty".