212232313131 has 16 divisors (see below), whose sum is σ = 293501913888. Its totient is φ = 136301184000.

The previous prime is 212232313129. The next prime is 212232313141. The reversal of 212232313131 is 131313232212.

It is not a de Polignac number, because 212232313131 - 2¹ = 212232313129 is a prime.

It is a super-3 number, since 3×212232313131³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (212232313141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9454150 + ... + 9476571.

It is an arithmetic number, because the mean of its divisors is an integer number (18343869618).

Almost surely, 2^212232313131 is an apocalyptic number.

212232313131 is a deficient number, since it is larger than the sum of its proper divisors (81269600757).

212232313131 is a wasteful number, since it uses less digits than its factorization.

212232313131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18930862.

The product of its digits is 1296, while the sum is 24.

Adding to 212232313131 its reverse (131313232212), we get a palindrome (343545545343).

The spelling of 212232313131 in words is "two hundred twelve billion, two hundred thirty-two million, three hundred thirteen thousand, one hundred thirty-one".