12420332110 has 32 divisors (see below), whose sum is σ = 23572634400. Its totient is φ = 4698777600.

The previous prime is 12420332101. The next prime is 12420332131. The reversal of 12420332110 is 1123302421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59806 + ... + 168574.

It is an arithmetic number, because the mean of its divisors is an integer number (736644825).

Almost surely, 2^12420332110 is an apocalyptic number.

12420332110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12420332110 is a deficient number, since it is larger than the sum of its proper divisors (11152302290).

12420332110 is a wasteful number, since it uses less digits than its factorization.

12420332110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109396.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12420332110 its reverse (1123302421), we get a palindrome (13543634531).

The spelling of 12420332110 in words is "twelve billion, four hundred twenty million, three hundred thirty-two thousand, one hundred ten".