1220002120122 has 8 divisors (see below), whose sum is σ = 2440004240256. Its totient is φ = 406667373372.

The previous prime is 1220002120121. The next prime is 1220002120123. The reversal of 1220002120122 is 2210212000221.

It is an interprime number because it is at equal distance from previous prime (1220002120121) and next prime (1220002120123).

It is a sphenic number, since it is the product of 3 distinct primes.

1220002120122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1220002120121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101666843338 + ... + 101666843349.

It is an arithmetic number, because the mean of its divisors is an integer number (305000530032).

Almost surely, 2^{1220002120122} is an apocalyptic number.

1220002120122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1220002120122 is a wasteful number, since it uses less digits than its factorization.

1220002120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203333686692.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1220002120122 its reverse (2210212000221), we get a palindrome (3430214120343).

The spelling of 1220002120122 in words is "one trillion, two hundred twenty billion, two million, one hundred twenty thousand, one hundred twenty-two".