120001220010012 has 48 divisors (see below), whose sum is σ = 305477328828672. Its totient is φ = 36361663457280.

The previous prime is 120001220009999. The next prime is 120001220010037. The reversal of 120001220010012 is 210010022100021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 120001220010012.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 27225253 + ... + 31324380.

It is an arithmetic number, because the mean of its divisors is an integer number (6364111017264).

Almost surely, 2^{120001220010012} is an apocalyptic number.

120001220010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120001220010012 is an abundant number, since it is smaller than the sum of its proper divisors (185476108818660).

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

120001220010012 is a wasteful number, since it uses less digits than its factorization.

120001220010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58565178 (or 58565176 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120001220010012 its reverse (210010022100021), we get a palindrome (330011242110033).

The spelling of 120001220010012 in words is "one hundred twenty trillion, one billion, two hundred twenty million, ten thousand, twelve".