10123203112220 has 96 divisors (see below), whose sum is σ = 23702923883520. Its totient is φ = 3600080733440.

The previous prime is 10123203112207. The next prime is 10123203112237. The reversal of 10123203112220 is 2221130232101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10123203112192 and 10123203112201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13139846 + ... + 13888914.

It is an arithmetic number, because the mean of its divisors is an integer number (246905457120).

Almost surely, 2^{10123203112220} is an apocalyptic number.

10123203112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10123203112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11851461941760).

10123203112220 is an abundant number, since it is smaller than the sum of its proper divisors (13579720771300).

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

10123203112220 is a wasteful number, since it uses less digits than its factorization.

10123203112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750443 (or 750441 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10123203112220 its reverse (2221130232101), we get a palindrome (12344333344321).

The spelling of 10123203112220 in words is "ten trillion, one hundred twenty-three billion, two hundred three million, one hundred twelve thousand, two hundred twenty".