120011221212100 has 72 divisors (see below), whose sum is σ = 261865132558848. Its totient is φ = 47739619468800.

The previous prime is 120011221212097. The next prime is 120011221212119. The reversal of 120011221212100 is 1212122110021.

120011221212100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 9010317 + ... + 17922283.

It is an arithmetic number, because the mean of its divisors is an integer number (3637015729984).

Almost surely, 2^{120011221212100} is an apocalyptic number.

120011221212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120011221212100 is an abundant number, since it is smaller than the sum of its proper divisors (141853911346748).

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

120011221212100 is a wasteful number, since it uses less digits than its factorization.

120011221212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8912725 (or 8912718 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120011221212100 its reverse (1212122110021), we get a palindrome (121223343322121).

The spelling of 120011221212100 in words is "one hundred twenty trillion, eleven billion, two hundred twenty-one million, two hundred twelve thousand, one hundred".