10123210420 has 24 divisors (see below), whose sum is σ = 21337198848. Its totient is φ = 4034340000.

The previous prime is 10123210417. The next prime is 10123210423. The reversal of 10123210420 is 2401232101.

It is an interprime number because it is at equal distance from previous prime (10123210417) and next prime (10123210423).

It is a junction number, because it is equal to n+sod(n) for n = 10123210394 and 10123210403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123210423) 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, 928456 + ... + 939295.

It is an arithmetic number, because the mean of its divisors is an integer number (889049952).

Almost surely, 2^10123210420 is an apocalyptic number.

10123210420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10123210420 is an abundant number, since it is smaller than the sum of its proper divisors (11213988428).

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

10123210420 is a wasteful number, since it uses less digits than its factorization.

10123210420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868031 (or 1868029 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10123210420 its reverse (2401232101), we get a palindrome (12524442521).

The spelling of 10123210420 in words is "ten billion, one hundred twenty-three million, two hundred ten thousand, four hundred twenty".