123411221234 has 16 divisors (see below), whose sum is σ = 224006923008. Its totient is φ = 49779316032.

The previous prime is 123411221191. The next prime is 123411221239. The reversal of 123411221234 is 432122114321.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123411221239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259267034 + ... + 259267509.

It is an arithmetic number, because the mean of its divisors is an integer number (14000432688).

Almost surely, 2^123411221234 is an apocalyptic number.

123411221234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123411221234 is a deficient number, since it is larger than the sum of its proper divisors (100595701774).

123411221234 is a wasteful number, since it uses less digits than its factorization.

123411221234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518534569.

The product of its digits is 2304, while the sum is 26.

Adding to 123411221234 its reverse (432122114321), we get a palindrome (555533335555).

The spelling of 123411221234 in words is "one hundred twenty-three billion, four hundred eleven million, two hundred twenty-one thousand, two hundred thirty-four".