2231020032012 has 288 divisors, whose sum is σ = 6270274886400. Its totient is φ = 685502611200.

The previous prime is 2231020031983. The next prime is 2231020032023. The reversal of 2231020032012 is 2102300201322.

2231020032012 is a `hidden beast` number, since 2 + 2 + 310 + 20 + 0 + 320 + 12 = 666.

It is a super-3 number, since 3×2231020032012³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 669773187 + ... + 669776517.

It is an arithmetic number, because the mean of its divisors is an integer number (21771787800).

Almost surely, 2^{2231020032012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231020032012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3135137443200).

2231020032012 is an abundant number, since it is smaller than the sum of its proper divisors (4039254854388).

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

2231020032012 is a wasteful number, since it uses less digits than its factorization.

2231020032012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842 (or 3815 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2231020032012 its reverse (2102300201322), we get a palindrome (4333320233334).

The spelling of 2231020032012 in words is "two trillion, two hundred thirty-one billion, twenty million, thirty-two thousand, twelve".