10123302130020 has 72 divisors (see below), whose sum is σ = 30707851869240. Its totient is φ = 2699503096320.

The previous prime is 10123302129977. The next prime is 10123302130021. The reversal of 10123302130020 is 2003120332101.

10123302130020 is a `hidden beast` number, since 1 + 0 + 12 + 330 + 2 + 1 + 300 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1389291257124 + 8734010872896 = 1178682^2 + 2955336^2 .

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 = 10123302129975 and 10123302130002.

It is not an unprimeable number, because it can be changed into a prime (10123302130021) 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, 11431746 + ... + 12285414.

Almost surely, 2^{10123302130020} is an apocalyptic number.

10123302130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10123302130020 is an abundant number, since it is smaller than the sum of its proper divisors (20584549739220).

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

10123302130020 is a wasteful number, since it uses less digits than its factorization.

10123302130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919565 (or 919560 counting only the distinct ones).

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

Adding to 10123302130020 its reverse (2003120332101), we get a palindrome (12126422462121).

The spelling of 10123302130020 in words is "ten trillion, one hundred twenty-three billion, three hundred two million, one hundred thirty thousand, twenty".