122817621213228 has 96 divisors (see below), whose sum is σ = 309024013213440. Its totient is φ = 37837421429760.

The previous prime is 122817621213181. The next prime is 122817621213253. The reversal of 122817621213228 is 822312126718221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346605675 + ... + 346959837.

It is an arithmetic number, because the mean of its divisors is an integer number (3219000137640).

Almost surely, 2^{122817621213228} is an apocalyptic number.

It is an amenable number.

122817621213228 is an abundant number, since it is smaller than the sum of its proper divisors (186206392000212).

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

122817621213228 is a wasteful number, since it uses less digits than its factorization.

122817621213228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391327 (or 391325 counting only the distinct ones).

The product of its digits is 516096, while the sum is 48.

The spelling of 122817621213228 in words is "one hundred twenty-two trillion, eight hundred seventeen billion, six hundred twenty-one million, two hundred thirteen thousand, two hundred twenty-eight".