10123210001 has 4 divisors (see below), whose sum is σ = 10370117604. Its totient is φ = 9876302400.

The previous prime is 10123209989. The next prime is 10123210067. The reversal of 10123210001 is 10001232101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10001232101 = 7 ⋅1428747443.

It can be written as a sum of positive squares in 2 ways, for example, as 4396353025 + 5726856976 = 66305^2 + 75676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10123210001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10123210081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123453740 + ... + 123453821.

It is an arithmetic number, because the mean of its divisors is an integer number (2592529401).

Almost surely, 2^10123210001 is an apocalyptic number.

It is an amenable number.

10123210001 is a deficient number, since it is larger than the sum of its proper divisors (246907603).

10123210001 is an equidigital number, since it uses as much as digits as its factorization.

10123210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246907602.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10123210001 its reverse (10001232101), we get a palindrome (20124442102).

The spelling of 10123210001 in words is "ten billion, one hundred twenty-three million, two hundred ten thousand, one".