1213310212133 has 16 divisors (see below), whose sum is σ = 1338541848000. Its totient is φ = 1094629654272.

The previous prime is 1213310212063. The next prime is 1213310212187. The reversal of 1213310212133 is 3312120133121.

It is a cyclic number.

It is not a de Polignac number, because 1213310212133 - 2¹⁰ = 1213310211109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213310212099 and 1213310212108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213310212333) 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, 8784263 + ... + 8921316.

It is an arithmetic number, because the mean of its divisors is an integer number (83658865500).

Almost surely, 2^{1213310212133} is an apocalyptic number.

It is an amenable number.

1213310212133 is a deficient number, since it is larger than the sum of its proper divisors (125231635867).

1213310212133 is a wasteful number, since it uses less digits than its factorization.

1213310212133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17705764.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1213310212133 its reverse (3312120133121), we get a palindrome (4525430345254).

The spelling of 1213310212133 in words is "one trillion, two hundred thirteen billion, three hundred ten million, two hundred twelve thousand, one hundred thirty-three".