1213312210011 has 144 divisors (see below), whose sum is σ = 2071225728000. Its totient is φ = 678419763840.

The previous prime is 1213312209961. The next prime is 1213312210069. The reversal of 1213312210011 is 1100122133121.

1213312210011 is a `hidden beast` number, since 121 + 331 + 2 + 210 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 1213312210011 - 2¹⁵ = 1213312177243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213312210091) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 229834870 + ... + 229840148.

It is an arithmetic number, because the mean of its divisors is an integer number (14383512000).

Almost surely, 2^{1213312210011} is an apocalyptic number.

1213312210011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1213312210011 is a deficient number, since it is larger than the sum of its proper divisors (857913517989).

1213312210011 is a wasteful number, since it uses less digits than its factorization.

1213312210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502 (or 5480 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1213312210011 its reverse (1100122133121), we get a palindrome (2313434343132).

The spelling of 1213312210011 in words is "one trillion, two hundred thirteen billion, three hundred twelve million, two hundred ten thousand, eleven".