1213333120415 has 64 divisors (see below), whose sum is σ = 1665706291200. Its totient is φ = 840520157184.

The previous prime is 1213333120357. The next prime is 1213333120457. The reversal of 1213333120415 is 5140213333121.

It is a cyclic number.

It is not a de Polignac number, because 1213333120415 - 2¹⁸ = 1213332858271 is a prime.

It is a super-2 number, since 2×1213333120415² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 831618956 + ... + 831620414.

It is an arithmetic number, because the mean of its divisors is an integer number (26026660800).

Almost surely, 2^{1213333120415} is an apocalyptic number.

1213333120415 is a deficient number, since it is larger than the sum of its proper divisors (452373170785).

1213333120415 is a wasteful number, since it uses less digits than its factorization.

1213333120415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 1213333120415 its reverse (5140213333121), we get a palindrome (6353546453536).

The spelling of 1213333120415 in words is "one trillion, two hundred thirteen billion, three hundred thirty-three million, one hundred twenty thousand, four hundred fifteen".