13102121312220 has 24 divisors (see below), whose sum is σ = 36685939674384. Its totient is φ = 3493899016576.

The previous prime is 13102121312201. The next prime is 13102121312227. The reversal of 13102121312220 is 2221312120131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102121312227) 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, 109184344209 + ... + 109184344328.

It is an arithmetic number, because the mean of its divisors is an integer number (1528580819766).

Almost surely, 2^{13102121312220} is an apocalyptic number.

13102121312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13102121312220 is an abundant number, since it is smaller than the sum of its proper divisors (23583818362164).

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

13102121312220 is a wasteful number, since it uses less digits than its factorization.

13102121312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218368688549 (or 218368688547 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13102121312220 its reverse (2221312120131), we get a palindrome (15323433432351).

The spelling of 13102121312220 in words is "thirteen trillion, one hundred two billion, one hundred twenty-one million, three hundred twelve thousand, two hundred twenty".