1201011210313 has 4 divisors (see below), whose sum is σ = 1201591691460. Its totient is φ = 1200430729168.

The previous prime is 1201011210283. The next prime is 1201011210319. The reversal of 1201011210313 is 3130121101021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70049150224 + 1130962060089 = 264668^2 + 1063467^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201011210313 - 2²⁵ = 1200977655881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201011210319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290237470 + ... + 290241607.

It is an arithmetic number, because the mean of its divisors is an integer number (300397922865).

Almost surely, 2^{1201011210313} is an apocalyptic number.

It is an amenable number.

1201011210313 is a deficient number, since it is larger than the sum of its proper divisors (580481147).

1201011210313 is an equidigital number, since it uses as much as digits as its factorization.

1201011210313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580481146.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1201011210313 its reverse (3130121101021), we get a palindrome (4331132311334).

The spelling of 1201011210313 in words is "one trillion, two hundred one billion, eleven million, two hundred ten thousand, three hundred thirteen".