231330333200212 has 36 divisors (see below), whose sum is σ = 452388951311220. Its totient is φ = 103131789403392.

The previous prime is 231330333200207. The next prime is 231330333200221. The reversal of 231330333200212 is 212002333033132.

It can be written as a sum of positive squares in 2 ways, for example, as 116239362222096 + 115090970978116 = 10781436^2 + 10728046^2 .

It is a super-2 number, since 2×231330333200212² (a number of 30 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 11 ways as a sum of consecutive naturals, for example, 4711771387 + ... + 4711820482.

It is an arithmetic number, because the mean of its divisors is an integer number (12566359758645).

Almost surely, 2^{231330333200212} is an apocalyptic number.

It is an amenable number.

231330333200212 is a deficient number, since it is larger than the sum of its proper divisors (221058618111008).

231330333200212 is a wasteful number, since it uses less digits than its factorization.

231330333200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9423591928 (or 9423591907 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 231330333200212 its reverse (212002333033132), we get a palindrome (443332666233344).

The spelling of 231330333200212 in words is "two hundred thirty-one trillion, three hundred thirty billion, three hundred thirty-three million, two hundred thousand, two hundred twelve".