13100032123020 has 72 divisors (see below), whose sum is σ = 39743917899504. Its totient is φ = 3492712994688.

The previous prime is 13100032122973. The next prime is 13100032123021. The reversal of 13100032123020 is 2032123000131.

13100032123020 is a `hidden beast` number, since 1 + 310 + 0 + 0 + 321 + 2 + 30 + 2 + 0 = 666.

It is a super-3 number, since 3×13100032123020³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13100032122984 and 13100032123002.

It is not an unprimeable number, because it can be changed into a prime (13100032123021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5548054 + ... + 7548573.

Almost surely, 2^{13100032123020} is an apocalyptic number.

13100032123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13100032123020 is an abundant number, since it is smaller than the sum of its proper divisors (26643885776484).

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

13100032123020 is a wasteful number, since it uses less digits than its factorization.

13100032123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13102199 (or 13102194 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13100032123020 its reverse (2032123000131), we get a palindrome (15132155123151).

The spelling of 13100032123020 in words is "thirteen trillion, one hundred billion, thirty-two million, one hundred twenty-three thousand, twenty".