122012221212000 has 384 divisors, whose sum is σ = 507570843386880. Its totient is φ = 27888507532800.

The previous prime is 122012221211981. The next prime is 122012221212001. The reversal of 122012221212000 is 212122210221.

It is a happy number.

122012221212000 is a `hidden beast` number, since 1 + 220 + 1 + 2 + 221 + 21 + 200 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012221212001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79939914 + ... + 81451913.

It is an arithmetic number, because the mean of its divisors is an integer number (1321799071320).

Almost surely, 2^{122012221212000} is an apocalyptic number.

122012221212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122012221212000 is an abundant number, since it is smaller than the sum of its proper divisors (385558622174880).

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

122012221212000 is a wasteful number, since it uses less digits than its factorization.

122012221212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161391868 (or 161391844 counting only the distinct ones).

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

Adding to 122012221212000 its reverse (212122210221), we get a palindrome (122224343422221).

The spelling of 122012221212000 in words is "one hundred twenty-two trillion, twelve billion, two hundred twenty-one million, two hundred twelve thousand".