12111020220012 has 24 divisors (see below), whose sum is σ = 32296053920256. Its totient is φ = 3460291491408.

The previous prime is 12111020219981. The next prime is 12111020220031. The reversal of 12111020220012 is 21002202011121.

12111020220012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12111020219973 and 12111020220000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72089405988 + ... + 72089406155.

It is an arithmetic number, because the mean of its divisors is an integer number (1345668913344).

Almost surely, 2^{12111020220012} is an apocalyptic number.

12111020220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12111020220012 is an abundant number, since it is smaller than the sum of its proper divisors (20185033700244).

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

12111020220012 is a wasteful number, since it uses less digits than its factorization.

12111020220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144178812157 (or 144178812155 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12111020220012 its reverse (21002202011121), we get a palindrome (33113222231133).

The spelling of 12111020220012 in words is "twelve trillion, one hundred eleven billion, twenty million, two hundred twenty thousand, twelve".