122553213122 has 8 divisors (see below), whose sum is σ = 183842761872. Its totient is φ = 61272292500.

The previous prime is 122553213121. The next prime is 122553213127. The reversal of 122553213122 is 221312355221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (122553213121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2121404 + ... + 2178407.

It is an arithmetic number, because the mean of its divisors is an integer number (22980345234).

Almost surely, 2^122553213122 is an apocalyptic number.

122553213122 is a deficient number, since it is larger than the sum of its proper divisors (61289548750).

122553213122 is a wasteful number, since it uses less digits than its factorization.

122553213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314064.

The product of its digits is 7200, while the sum is 29.

Adding to 122553213122 its reverse (221312355221), we get a palindrome (343865568343).

The spelling of 122553213122 in words is "one hundred twenty-two billion, five hundred fifty-three million, two hundred thirteen thousand, one hundred twenty-two".