2231400012 has 96 divisors (see below), whose sum is σ = 5534161920. Its totient is φ = 698611200.

The previous prime is 2231400007. The next prime is 2231400029. The reversal of 2231400012 is 2100041322.

It is a super-3 number, since 3×2231400012³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231399964 and 2231400000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3712512 + ... + 3713112.

It is an arithmetic number, because the mean of its divisors is an integer number (57647520).

Almost surely, 2^2231400012 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 2231400012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2767080960).

2231400012 is an abundant number, since it is smaller than the sum of its proper divisors (3302761908).

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

2231400012 is a wasteful number, since it uses less digits than its factorization.

2231400012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2231400012 is about 47237.6969379329. The cubic root of 2231400012 is about 1306.7499044862.

Adding to 2231400012 its reverse (2100041322), we get a palindrome (4331441334).

The spelling of 2231400012 in words is "two billion, two hundred thirty-one million, four hundred thousand, twelve".