1201313211033 has 16 divisors (see below), whose sum is σ = 1815750063680. Its totient is φ = 700360737984.

The previous prime is 1201313211029. The next prime is 1201313211101. The reversal of 1201313211033 is 3301123131021.

It is a happy number.

It is not a de Polignac number, because 1201313211033 - 2² = 1201313211029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201313211023) 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, 810601966 + ... + 810603447.

It is an arithmetic number, because the mean of its divisors is an integer number (113484378980).

Almost surely, 2^{1201313211033} is an apocalyptic number.

1201313211033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1201313211033 is a deficient number, since it is larger than the sum of its proper divisors (614436852647).

1201313211033 is a wasteful number, since it uses less digits than its factorization.

1201313211033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621205448.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1201313211033 its reverse (3301123131021), we get a palindrome (4502436342054).

The spelling of 1201313211033 in words is "one trillion, two hundred one billion, three hundred thirteen million, two hundred eleven thousand, thirty-three".