1220102200120 has 32 divisors (see below), whose sum is σ = 2757323494800. Its totient is φ = 485890916608.

The previous prime is 1220102200099. The next prime is 1220102200147. The reversal of 1220102200120 is 210022010221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220102200120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67177165 + ... + 67195324.

Almost surely, 2^{1220102200120} is an apocalyptic number.

1220102200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220102200120 is an abundant number, since it is smaller than the sum of its proper divisors (1537221294680).

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

1220102200120 is a wasteful number, since it uses less digits than its factorization.

1220102200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134372727 (or 134372723 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220102200120 its reverse (210022010221), we get a palindrome (1430124210341).

The spelling of 1220102200120 in words is "one trillion, two hundred twenty billion, one hundred two million, two hundred thousand, one hundred twenty".