122120021220002 has 24 divisors (see below), whose sum is σ = 198369183381120. Its totient is φ = 56358973784880.

The previous prime is 122120021219927. The next prime is 122120021220047. The reversal of 122120021220002 is 200022120021221.

It is a happy 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, 8541302 + ... + 17809937.

It is an arithmetic number, because the mean of its divisors is an integer number (8265382640880).

Almost surely, 2^{122120021220002} is an apocalyptic number.

122120021220002 is a deficient number, since it is larger than the sum of its proper divisors (76249162161118).

122120021220002 is a wasteful number, since it uses less digits than its factorization.

122120021220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26364978 (or 26364965 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122120021220002 its reverse (200022120021221), we get a palindrome (322142141241223).

The spelling of 122120021220002 in words is "one hundred twenty-two trillion, one hundred twenty billion, twenty-one million, two hundred twenty thousand, two".