1212320011201 has 16 divisors (see below), whose sum is σ = 1407809168640. Its totient is φ = 1034308759680.

The previous prime is 1212320011187. The next prime is 1212320011237. The reversal of 1212320011201 is 1021100232121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212320011201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212320015201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59845705 + ... + 59865958.

It is an arithmetic number, because the mean of its divisors is an integer number (87988073040).

Almost surely, 2^{1212320011201} is an apocalyptic number.

It is an amenable number.

1212320011201 is a deficient number, since it is larger than the sum of its proper divisors (195489157439).

1212320011201 is a wasteful number, since it uses less digits than its factorization.

1212320011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119711736.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1212320011201 its reverse (1021100232121), we get a palindrome (2233420243322).

The spelling of 1212320011201 in words is "one trillion, two hundred twelve billion, three hundred twenty million, eleven thousand, two hundred one".