1201122101213 has 8 divisors (see below), whose sum is σ = 1203034410432. Its totient is φ = 1199209965696.

The previous prime is 1201122101197. The next prime is 1201122101227. The reversal of 1201122101213 is 3121012211021.

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 1201122101213 - 2⁴ = 1201122101197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201122101191 and 1201122101200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201122103213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27117581 + ... + 27161837.

It is an arithmetic number, because the mean of its divisors is an integer number (150379301304).

Almost surely, 2^{1201122101213} is an apocalyptic number.

It is an amenable number.

1201122101213 is a deficient number, since it is larger than the sum of its proper divisors (1912309219).

1201122101213 is an equidigital number, since it uses as much as digits as its factorization.

1201122101213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86851.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1201122101213 its reverse (3121012211021), we get a palindrome (4322134312234).

The spelling of 1201122101213 in words is "one trillion, two hundred one billion, one hundred twenty-two million, one hundred one thousand, two hundred thirteen".