12421333110 has 16 divisors (see below), whose sum is σ = 29811199536. Its totient is φ = 3312355488.

The previous prime is 12421333091. The next prime is 12421333117. The reversal of 12421333110 is 1133312421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421333117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207022189 + ... + 207022248.

It is an arithmetic number, because the mean of its divisors is an integer number (1863199971).

Almost surely, 2^12421333110 is an apocalyptic number.

12421333110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12421333110 is an abundant number, since it is smaller than the sum of its proper divisors (17389866426).

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

12421333110 is a wasteful number, since it uses less digits than its factorization.

12421333110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414044447.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12421333110 its reverse (1133312421), we get a palindrome (13554645531).

The spelling of 12421333110 in words is "twelve billion, four hundred twenty-one million, three hundred thirty-three thousand, one hundred ten".