120212101220100 has 36 divisors (see below), whose sum is σ = 347813679531024. Its totient is φ = 32056560325280.

The previous prime is 120212101220093. The next prime is 120212101220221. The reversal of 120212101220100 is 1022101212021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120212101220100.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 200353501734 + ... + 200353502333.

It is an arithmetic number, because the mean of its divisors is an integer number (9661491098084).

Almost surely, 2^{120212101220100} is an apocalyptic number.

120212101220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120212101220100 is an abundant number, since it is smaller than the sum of its proper divisors (227601578310924).

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

120212101220100 is a wasteful number, since it uses less digits than its factorization.

120212101220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400707004084 (or 400707004077 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120212101220100 its reverse (1022101212021), we get a palindrome (121234202432121).

The spelling of 120212101220100 in words is "one hundred twenty trillion, two hundred twelve billion, one hundred one million, two hundred twenty thousand, one hundred".