122313630512 has 20 divisors (see below), whose sum is σ = 237053652000. Its totient is φ = 61138494528.

The previous prime is 122313630487. The next prime is 122313630539. The reversal of 122313630512 is 215036313221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089887 + ... + 1196862.

It is an arithmetic number, because the mean of its divisors is an integer number (11852682600).

Almost surely, 2^122313630512 is an apocalyptic number.

It is an amenable number.

122313630512 is a deficient number, since it is larger than the sum of its proper divisors (114740021488).

122313630512 is a wasteful number, since it uses less digits than its factorization.

122313630512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290100 (or 2290094 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 122313630512 its reverse (215036313221), we get a palindrome (337349943733).

The spelling of 122313630512 in words is "one hundred twenty-two billion, three hundred thirteen million, six hundred thirty thousand, five hundred twelve".