12401141221 has 8 divisors (see below), whose sum is σ = 14222815424. Its totient is φ = 10591987680.

The previous prime is 12401141201. The next prime is 12401141237. The reversal of 12401141221 is 12214110421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12401141221 - 2¹³ = 12401133029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401141201) 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, 3128040 + ... + 3132001.

It is an arithmetic number, because the mean of its divisors is an integer number (1777851928).

Almost surely, 2^12401141221 is an apocalyptic number.

It is an amenable number.

12401141221 is a deficient number, since it is larger than the sum of its proper divisors (1821674203).

12401141221 is an equidigital number, since it uses as much as digits as its factorization.

12401141221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260331.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12401141221 its reverse (12214110421), we get a palindrome (24615251642).

The spelling of 12401141221 in words is "twelve billion, four hundred one million, one hundred forty-one thousand, two hundred twenty-one".