1313201113212 has 24 divisors (see below), whose sum is σ = 3071627717200. Its totient is φ = 436663449216.

The previous prime is 1313201113193. The next prime is 1313201113313. The reversal of 1313201113212 is 2123111023131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133776787 + ... + 133786602.

Almost surely, 2^{1313201113212} is an apocalyptic number.

1313201113212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1313201113212 is an abundant number, since it is smaller than the sum of its proper divisors (1758426603988).

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

1313201113212 is a wasteful number, since it uses less digits than its factorization.

1313201113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267563805 (or 267563803 counting only the distinct ones).

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

Adding to 1313201113212 its reverse (2123111023131), we get a palindrome (3436312136343).

The spelling of 1313201113212 in words is "one trillion, three hundred thirteen billion, two hundred one million, one hundred thirteen thousand, two hundred twelve".