122621442276 has 24 divisors (see below), whose sum is σ = 295346270464. Its totient is φ = 39555303840.

The previous prime is 122621442271. The next prime is 122621442287. The reversal of 122621442276 is 672244126221.

It is not an unprimeable number, because it can be changed into a prime (122621442271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164813395 + ... + 164814138.

Almost surely, 2^122621442276 is an apocalyptic number.

It is an amenable number.

122621442276 is an abundant number, since it is smaller than the sum of its proper divisors (172724828188).

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

122621442276 is a wasteful number, since it uses less digits than its factorization.

122621442276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329627571 (or 329627569 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

Adding to 122621442276 its reverse (672244126221), we get a palindrome (794865568497).

The spelling of 122621442276 in words is "one hundred twenty-two billion, six hundred twenty-one million, four hundred forty-two thousand, two hundred seventy-six".