1213220341333 has 64 divisors (see below), whose sum is σ = 1682222137344. Its totient is φ = 844126272000.

The previous prime is 1213220341313. The next prime is 1213220341337. The reversal of 1213220341333 is 3331430223121.

It is not a de Polignac number, because 1213220341333 - 2¹³ = 1213220333141 is a prime.

It is a super-2 number, since 2×1213220341333² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213220341337) 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 63 ways as a sum of consecutive naturals, for example, 84179898 + ... + 84194308.

It is an arithmetic number, because the mean of its divisors is an integer number (26284720896).

Almost surely, 2^{1213220341333} is an apocalyptic number.

1213220341333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1213220341333 is a deficient number, since it is larger than the sum of its proper divisors (469001796011).

1213220341333 is a wasteful number, since it uses less digits than its factorization.

1213220341333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17186.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 1213220341333 its reverse (3331430223121), we get a palindrome (4544650564454).

The spelling of 1213220341333 in words is "one trillion, two hundred thirteen billion, two hundred twenty million, three hundred forty-one thousand, three hundred thirty-three".