122121200012022 has 24 divisors (see below), whose sum is σ = 264599417986176. Its totient is φ = 40706530574256.

The previous prime is 122121200012011. The next prime is 122121200012069. The reversal of 122121200012022 is 220210002121221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122121200011986 and 122121200012004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43268758 + ... + 46004649.

It is an arithmetic number, because the mean of its divisors is an integer number (11024975749424).

Almost surely, 2^{122121200012022} is an apocalyptic number.

122121200012022 is an abundant number, since it is smaller than the sum of its proper divisors (142478217974154).

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

122121200012022 is a wasteful number, since it uses less digits than its factorization.

122121200012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89349412 (or 89349409 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122121200012022 its reverse (220210002121221), we get a palindrome (342331202133243).

The spelling of 122121200012022 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two hundred million, twelve thousand, twenty-two".