122616223452 has 18 divisors (see below), whose sum is σ = 309946564928. Its totient is φ = 40872074472.

The previous prime is 122616223439. The next prime is 122616223469. The reversal of 122616223452 is 254322616221.

122616223452 is a `hidden beast` number, since 1 + 2 + 2 + 616 + 2 + 2 + 34 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3406006207 = 122616223452 / (1 + 2 + 2 + 6 + 1 + 6 + 2 + 2 + 3 + 4 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1703003068 + ... + 1703003139.

Almost surely, 2^122616223452 is an apocalyptic number.

122616223452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122616223452 is an abundant number, since it is smaller than the sum of its proper divisors (187330341476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122616223452 is a wasteful number, since it uses less digits than its factorization.

122616223452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406006217 (or 3406006212 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

Adding to 122616223452 its reverse (254322616221), we get a palindrome (376938839673).

The spelling of 122616223452 in words is "one hundred twenty-two billion, six hundred sixteen million, two hundred twenty-three thousand, four hundred fifty-two".