12210401420 has 48 divisors (see below), whose sum is σ = 29313415488. Its totient is φ = 4185216000.

The previous prime is 12210401393. The next prime is 12210401459. The reversal of 12210401420 is 2410401221.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 570920 + ... + 591920.

It is an arithmetic number, because the mean of its divisors is an integer number (610696156).

Almost surely, 2^12210401420 is an apocalyptic number.

12210401420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210401420 is an abundant number, since it is smaller than the sum of its proper divisors (17103014068).

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

12210401420 is a wasteful number, since it uses less digits than its factorization.

12210401420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25170 (or 25168 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12210401420 its reverse (2410401221), we get a palindrome (14620802641).

The spelling of 12210401420 in words is "twelve billion, two hundred ten million, four hundred one thousand, four hundred twenty".