11313121302012 has 48 divisors (see below), whose sum is σ = 27907952777600. Its totient is φ = 3556963886400.

The previous prime is 11313121301953. The next prime is 11313121302017. The reversal of 11313121302012 is 21020312131311.

It is a self number, because there is not a number n which added to its sum of digits gives 11313121302012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313121302017) 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, 108286114 + ... + 108390537.

Almost surely, 2^{11313121302012} is an apocalyptic number.

11313121302012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11313121302012 is an abundant number, since it is smaller than the sum of its proper divisors (16594831475588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11313121302012 is a wasteful number, since it uses less digits than its factorization.

11313121302012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216676906 (or 216676904 counting only the distinct ones).

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

Adding to 11313121302012 its reverse (21020312131311), we get a palindrome (32333433433323).

The spelling of 11313121302012 in words is "eleven trillion, three hundred thirteen billion, one hundred twenty-one million, three hundred two thousand, twelve".