1242232211401 has 4 divisors (see below), whose sum is σ = 1268662684032. Its totient is φ = 1215801738772.

The previous prime is 1242232211377. The next prime is 1242232211411. The reversal of 1242232211401 is 1041122322421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1242232211401 - 2⁵ = 1242232211369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242232211411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13215236245 + ... + 13215236338.

It is an arithmetic number, because the mean of its divisors is an integer number (317165671008).

Almost surely, 2^{1242232211401} is an apocalyptic number.

It is an amenable number.

1242232211401 is a deficient number, since it is larger than the sum of its proper divisors (26430472631).

1242232211401 is an equidigital number, since it uses as much as digits as its factorization.

1242232211401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26430472630.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1242232211401 its reverse (1041122322421), we get a palindrome (2283354533822).

The spelling of 1242232211401 in words is "one trillion, two hundred forty-two billion, two hundred thirty-two million, two hundred eleven thousand, four hundred one".