123541442212 has 24 divisors (see below), whose sum is σ = 217067026176. Its totient is φ = 61522395648.

The previous prime is 123541442209. The next prime is 123541442251. The reversal of 123541442212 is 212244145321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6252693 + ... + 6272419.

It is an arithmetic number, because the mean of its divisors is an integer number (9044459424).

Almost surely, 2^123541442212 is an apocalyptic number.

It is an amenable number.

123541442212 is a deficient number, since it is larger than the sum of its proper divisors (93525583964).

123541442212 is a wasteful number, since it uses less digits than its factorization.

123541442212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25947 (or 25945 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

Adding to 123541442212 its reverse (212244145321), we get a palindrome (335785587533).

The spelling of 123541442212 in words is "one hundred twenty-three billion, five hundred forty-one million, four hundred forty-two thousand, two hundred twelve".