12011120030 has 64 divisors (see below), whose sum is σ = 27766222848. Its totient is φ = 3636040320.

The previous prime is 12011120029. The next prime is 12011120057. The reversal of 12011120030 is 3002111021.

It is a junction number, because it is equal to n+sod(n) for n = 12011119993 and 12011120020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266006 + ... + 307865.

It is an arithmetic number, because the mean of its divisors is an integer number (433847232).

Almost surely, 2^12011120030 is an apocalyptic number.

12011120030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011120030 is an abundant number, since it is smaller than the sum of its proper divisors (15755102818).

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

12011120030 is a wasteful number, since it uses less digits than its factorization.

12011120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573921.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12011120030 its reverse (3002111021), we get a palindrome (15013231051).

Subtracting from 12011120030 its reverse (3002111021), we obtain a palindrome (9009009009).

The spelling of 12011120030 in words is "twelve billion, eleven million, one hundred twenty thousand, thirty".