123311032302212 has 12 divisors (see below), whose sum is σ = 215820944569356. Its totient is φ = 61647905282400.

The previous prime is 123311032302187. The next prime is 123311032302217. The reversal of 123311032302212 is 212203230113321.

It can be written as a sum of positive squares in 2 ways, for example, as 113436643640896 + 9874388661316 = 10650664^2 + 3142354^2 .

It is a super-2 number, since 2×123311032302212² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123311032302217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1902680723 + ... + 1902745530.

It is an arithmetic number, because the mean of its divisors is an integer number (17985078714113).

Almost surely, 2^{123311032302212} is an apocalyptic number.

It is an amenable number.

123311032302212 is a deficient number, since it is larger than the sum of its proper divisors (92509912267144).

123311032302212 is a wasteful number, since it uses less digits than its factorization.

123311032302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805434358 (or 3805434356 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 123311032302212 its reverse (212203230113321), we get a palindrome (335514262415533).

The spelling of 123311032302212 in words is "one hundred twenty-three trillion, three hundred eleven billion, thirty-two million, three hundred two thousand, two hundred twelve".