120011021112012 has 48 divisors (see below), whose sum is σ = 289682870732640. Its totient is φ = 38624090595328.

The previous prime is 120011021111959. The next prime is 120011021112019. The reversal of 120011021112012 is 210211120110021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120011021111982 and 120011021112000.

It is not an unprimeable number, because it can be changed into a prime (120011021112019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127774618 + ... + 128710430.

It is an arithmetic number, because the mean of its divisors is an integer number (6035059806930).

Almost surely, 2^{120011021112012} is an apocalyptic number.

120011021112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120011021112012 is an abundant number, since it is smaller than the sum of its proper divisors (169671849620628).

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

120011021112012 is a wasteful number, since it uses less digits than its factorization.

120011021112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304362 (or 1304360 counting only the distinct ones).

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

Adding to 120011021112012 its reverse (210211120110021), we get a palindrome (330222141222033).

The spelling of 120011021112012 in words is "one hundred twenty trillion, eleven billion, twenty-one million, one hundred twelve thousand, twelve".