12020420110 has 32 divisors (see below), whose sum is σ = 22832474400. Its totient is φ = 4543718400.

The previous prime is 12020420107. The next prime is 12020420119. The reversal of 12020420110 is 1102402021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020420119) 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, 2695 + ... + 155074.

It is an arithmetic number, because the mean of its divisors is an integer number (713514825).

Almost surely, 2^12020420110 is an apocalyptic number.

12020420110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020420110 is a deficient number, since it is larger than the sum of its proper divisors (10812054290).

12020420110 is a wasteful number, since it uses less digits than its factorization.

12020420110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158196.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12020420110 its reverse (1102402021), we get a palindrome (13122822131).

The spelling of 12020420110 in words is "twelve billion, twenty million, four hundred twenty thousand, one hundred ten".