1213432122401 has 4 divisors (see below), whose sum is σ = 1214204518704. Its totient is φ = 1212659726100.

The previous prime is 1213432122377. The next prime is 1213432122439. The reversal of 1213432122401 is 1042212343121.

It is a happy number.

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 1213432122401 - 2⁶ = 1213432122337 is a prime.

It is a super-3 number, since 3×1213432122401³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213432122481) 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, 386195795 + ... + 386198936.

It is an arithmetic number, because the mean of its divisors is an integer number (303551129676).

Almost surely, 2^{1213432122401} is an apocalyptic number.

It is an amenable number.

1213432122401 is a deficient number, since it is larger than the sum of its proper divisors (772396303).

1213432122401 is an equidigital number, since it uses as much as digits as its factorization.

1213432122401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772396302.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1213432122401 its reverse (1042212343121), we get a palindrome (2255644465522).

The spelling of 1213432122401 in words is "one trillion, two hundred thirteen billion, four hundred thirty-two million, one hundred twenty-two thousand, four hundred one".