1213310212131 has 8 divisors (see below), whose sum is σ = 1669932335104. Its totient is φ = 782780781960.

The previous prime is 1213310212063. The next prime is 1213310212187. The reversal of 1213310212131 is 1312120133121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1213310212131 - 2¹⁰ = 1213310211107 is a prime.

It is a super-2 number, since 2×1213310212131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213310212098 and 1213310212107.

It is not an unprimeable number, because it can be changed into a prime (1213310252131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6523173091 + ... + 6523173276.

It is an arithmetic number, because the mean of its divisors is an integer number (208741541888).

Almost surely, 2^{1213310212131} is an apocalyptic number.

1213310212131 is a deficient number, since it is larger than the sum of its proper divisors (456622122973).

1213310212131 is a wasteful number, since it uses less digits than its factorization.

1213310212131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13046346401.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1213310212131 its reverse (1312120133121), we get a palindrome (2525430345252).

The spelling of 1213310212131 in words is "one trillion, two hundred thirteen billion, three hundred ten million, two hundred twelve thousand, one hundred thirty-one".