13123020131020 has 12 divisors (see below), whose sum is σ = 27558342275184. Its totient is φ = 5249208052400.

The previous prime is 13123020130943. The next prime is 13123020131027. The reversal of 13123020131020 is 2013102032131.

It is not an unprimeable number, because it can be changed into a prime (13123020131027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328075503256 + ... + 328075503295.

It is an arithmetic number, because the mean of its divisors is an integer number (2296528522932).

Almost surely, 2^{13123020131020} is an apocalyptic number.

13123020131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13123020131020 is an abundant number, since it is smaller than the sum of its proper divisors (14435322144164).

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

13123020131020 is a wasteful number, since it uses less digits than its factorization.

13123020131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656151006560 (or 656151006558 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13123020131020 its reverse (2013102032131), we get a palindrome (15136122163151).

The spelling of 13123020131020 in words is "thirteen trillion, one hundred twenty-three billion, twenty million, one hundred thirty-one thousand, twenty".