120011103212 has 144 divisors (see below), whose sum is σ = 287384684832. Its totient is φ = 43105950720.

The previous prime is 120011103197. The next prime is 120011103221. The reversal of 120011103212 is 212301110021.

It is a super-2 number, since 2×120011103212² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26708438 + ... + 26712930.

It is an arithmetic number, because the mean of its divisors is an integer number (1995726978).

Almost surely, 2^120011103212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120011103212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143692342416).

120011103212 is an abundant number, since it is smaller than the sum of its proper divisors (167373581620).

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

120011103212 is a wasteful number, since it uses less digits than its factorization.

120011103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5488 (or 5479 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120011103212 its reverse (212301110021), we get a palindrome (332312213233).

The spelling of 120011103212 in words is "one hundred twenty billion, eleven million, one hundred three thousand, two hundred twelve".