2231020232012 has 144 divisors (see below), whose sum is σ = 4904740965600. Its totient is φ = 877169479680.

The previous prime is 2231020232003. The next prime is 2231020232047. The reversal of 2231020232012 is 2102320201322.

It is a happy number.

It is a super-3 number, since 3×2231020232012³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28909814 + ... + 28986882.

It is an arithmetic number, because the mean of its divisors is an integer number (34060701150).

Almost surely, 2^{2231020232012} is an apocalyptic number.

2231020232012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2231020232012 is an abundant number, since it is smaller than the sum of its proper divisors (2673720733588).

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

2231020232012 is a wasteful number, since it uses less digits than its factorization.

2231020232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77356 (or 77341 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2231020232012 its reverse (2102320201322), we get a palindrome (4333340433334).

The spelling of 2231020232012 in words is "two trillion, two hundred thirty-one billion, twenty million, two hundred thirty-two thousand, twelve".