120102200121220 has 24 divisors (see below), whose sum is σ = 252214826157504. Its totient is φ = 48040840828896.

The previous prime is 120102200121179. The next prime is 120102200121287. The reversal of 120102200121220 is 22121002201021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120102200121194 and 120102200121203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46604599 + ... + 49114081.

It is an arithmetic number, because the mean of its divisors is an integer number (10508951089896).

Almost surely, 2^{120102200121220} is an apocalyptic number.

120102200121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120102200121220 is an abundant number, since it is smaller than the sum of its proper divisors (132112626036284).

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

120102200121220 is a wasteful number, since it uses less digits than its factorization.

120102200121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902459 (or 4902457 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120102200121220 its reverse (22121002201021), we get a palindrome (142223202322241).

The spelling of 120102200121220 in words is "one hundred twenty trillion, one hundred two billion, two hundred million, one hundred twenty-one thousand, two hundred twenty".