1301012120011 has 4 divisors (see below), whose sum is σ = 1301369250232. Its totient is φ = 1300654989792.

The previous prime is 1301012119997. The next prime is 1301012120017. The reversal of 1301012120011 is 1100212101031.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1301012120011 - 2¹¹ = 1301012117963 is a prime.

It is a super-3 number, since 3×1301012120011³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301012119973 and 1301012120000.

It is not an unprimeable number, because it can be changed into a prime (1301012120017) 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, 178559646 + ... + 178566931.

It is an arithmetic number, because the mean of its divisors is an integer number (325342312558).

Almost surely, 2^{1301012120011} is an apocalyptic number.

1301012120011 is a deficient number, since it is larger than the sum of its proper divisors (357130221).

1301012120011 is an equidigital number, since it uses as much as digits as its factorization.

1301012120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357130220.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1301012120011 its reverse (1100212101031), we get a palindrome (2401224221042).

The spelling of 1301012120011 in words is "one trillion, three hundred one billion, twelve million, one hundred twenty thousand, eleven".