12421101403212 has 24 divisors (see below), whose sum is σ = 29269526081712. Its totient is φ = 4099373400000.

The previous prime is 12421101403199. The next prime is 12421101403213. The reversal of 12421101403212 is 21230410112421.

It is not an unprimeable number, because it can be changed into a prime (12421101403213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5124215539 + ... + 5124217962.

It is an arithmetic number, because the mean of its divisors is an integer number (1219563586738).

Almost surely, 2^{12421101403212} is an apocalyptic number.

12421101403212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12421101403212 is an abundant number, since it is smaller than the sum of its proper divisors (16848424678500).

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

12421101403212 is a wasteful number, since it uses less digits than its factorization.

12421101403212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10248433609 (or 10248433607 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 12421101403212 its reverse (21230410112421), we get a palindrome (33651511515633).

The spelling of 12421101403212 in words is "twelve trillion, four hundred twenty-one billion, one hundred one million, four hundred three thousand, two hundred twelve".