12011201031013 has 8 divisors (see below), whose sum is σ = 12444178249080. Its totient is φ = 11579477004480.

The previous prime is 12011201030999. The next prime is 12011201031043. The reversal of 12011201031013 is 31013010211021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1893095306404 + 10118105724609 = 1375898^2 + 3180897^2 .

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 12011201031013 - 2⁵ = 12011201030981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011201031043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313278370 + ... + 313316707.

It is an arithmetic number, because the mean of its divisors is an integer number (1555522281135).

Almost surely, 2^{12011201031013} is an apocalyptic number.

It is an amenable number.

12011201031013 is a deficient number, since it is larger than the sum of its proper divisors (432977218067).

12011201031013 is an equidigital number, since it uses as much as digits as its factorization.

12011201031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626595767.

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

Adding to 12011201031013 its reverse (31013010211021), we get a palindrome (43024211242034).

The spelling of 12011201031013 in words is "twelve trillion, eleven billion, two hundred one million, thirty-one thousand, thirteen".