123131300222 has 24 divisors (see below), whose sum is σ = 214963149240. Its totient is φ = 52743148080.

The previous prime is 123131300221. The next prime is 123131300309. The reversal of 123131300222 is 222003131321.

It is a super-2 number, since 2×123131300222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123131300194 and 123131300203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123131300221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136097 + ... + 514572.

It is an arithmetic number, because the mean of its divisors is an integer number (8956797885).

Almost surely, 2^123131300222 is an apocalyptic number.

123131300222 is a deficient number, since it is larger than the sum of its proper divisors (91831849018).

123131300222 is a wasteful number, since it uses less digits than its factorization.

123131300222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652616 (or 652609 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123131300222 its reverse (222003131321), we get a palindrome (345134431543).

The spelling of 123131300222 in words is "one hundred twenty-three billion, one hundred thirty-one million, three hundred thousand, two hundred twenty-two".