122653121236 has 24 divisors (see below), whose sum is σ = 215407745280. Its totient is φ = 61108437600.

The previous prime is 122653121231. The next prime is 122653121287. The reversal of 122653121236 is 632121356221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122653121231) 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, 1236981 + ... + 1332451.

It is an arithmetic number, because the mean of its divisors is an integer number (8975322720).

Almost surely, 2^122653121236 is an apocalyptic number.

It is an amenable number.

122653121236 is a deficient number, since it is larger than the sum of its proper divisors (92754624044).

122653121236 is a wasteful number, since it uses less digits than its factorization.

122653121236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96615 (or 96613 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

Adding to 122653121236 its reverse (632121356221), we get a palindrome (754774477457).

The spelling of 122653121236 in words is "one hundred twenty-two billion, six hundred fifty-three million, one hundred twenty-one thousand, two hundred thirty-six".