12112220001012 has 24 divisors (see below), whose sum is σ = 28261963410912. Its totient is φ = 4037389989600.

The previous prime is 12112220000989. The next prime is 12112220001083. The reversal of 12112220001012 is 21010002221121.

It is a super-3 number, since 3×12112220001012³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12112220000982 and 12112220001000.

It is a congruent number.

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, 1141087 + ... + 5052377.

It is an arithmetic number, because the mean of its divisors is an integer number (1177581808788).

Almost surely, 2^{12112220001012} is an apocalyptic number.

12112220001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12112220001012 is an abundant number, since it is smaller than the sum of its proper divisors (16149743409900).

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

12112220001012 is a wasteful number, since it uses less digits than its factorization.

12112220001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4169359 (or 4169357 counting only the distinct ones).

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

Adding to 12112220001012 its reverse (21010002221121), we get a palindrome (33122222222133).

The spelling of 12112220001012 in words is "twelve trillion, one hundred twelve billion, two hundred twenty million, one thousand, twelve".