120021201111012 has 24 divisors (see below), whose sum is σ = 280053650790816. Its totient is φ = 40006469675328.

The previous prime is 120021201110953. The next prime is 120021201111017. The reversal of 120021201111012 is 210111102120021.

It is a happy number.

120021201111012 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×120021201111012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120021201110982 and 120021201111000.

It is not an unprimeable number, because it can be changed into a prime (120021201111017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73832673 + ... + 75440744.

It is an arithmetic number, because the mean of its divisors is an integer number (11668902116284).

Almost surely, 2^{120021201111012} is an apocalyptic number.

120021201111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120021201111012 is an abundant number, since it is smaller than the sum of its proper divisors (160032449679804).

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

120021201111012 is a wasteful number, since it uses less digits than its factorization.

120021201111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149340427 (or 149340425 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120021201111012 its reverse (210111102120021), we get a palindrome (330132303231033).

The spelling of 120021201111012 in words is "one hundred twenty trillion, twenty-one billion, two hundred one million, one hundred eleven thousand, twelve".