13123011121332 has 48 divisors (see below), whose sum is σ = 34996364992512. Its totient is φ = 3749252963040.

The previous prime is 13123011121309. The next prime is 13123011121351. The reversal of 13123011121332 is 23312111032131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1947588 + ... + 5480795.

It is an arithmetic number, because the mean of its divisors is an integer number (729090937344).

Almost surely, 2^{13123011121332} is an apocalyptic number.

13123011121332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13123011121332 is an abundant number, since it is smaller than the sum of its proper divisors (21873353871180).

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

13123011121332 is a wasteful number, since it uses less digits than its factorization.

13123011121332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7449428 (or 7449426 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13123011121332 its reverse (23312111032131), we get a palindrome (36435122153463).

The spelling of 13123011121332 in words is "thirteen trillion, one hundred twenty-three billion, eleven million, one hundred twenty-one thousand, three hundred thirty-two".