10123140220 has 12 divisors (see below), whose sum is σ = 21258594504. Its totient is φ = 4049256080.

The previous prime is 10123140199. The next prime is 10123140221. The reversal of 10123140220 is 2204132101.

It is a junction number, because it is equal to n+sod(n) for n = 10123140194 and 10123140203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123140221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253078486 + ... + 253078525.

It is an arithmetic number, because the mean of its divisors is an integer number (1771549542).

Almost surely, 2^10123140220 is an apocalyptic number.

10123140220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10123140220 is an abundant number, since it is smaller than the sum of its proper divisors (11135454284).

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

10123140220 is a wasteful number, since it uses less digits than its factorization.

10123140220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506157020 (or 506157018 counting only the distinct ones).

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

Adding to 10123140220 its reverse (2204132101), we get a palindrome (12327272321).

The spelling of 10123140220 in words is "ten billion, one hundred twenty-three million, one hundred forty thousand, two hundred twenty".