10121210000123 has 8 divisors (see below), whose sum is σ = 10562871979008. Its totient is φ = 9679682135464.

The previous prime is 10121210000009. The next prime is 10121210000129. The reversal of 10121210000123 is 32100001212101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10121210000123 - 2²² = 10121205805819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121210000098 and 10121210000107.

It is not an unprimeable number, because it can be changed into a prime (10121210000129) 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, 33374315 + ... + 33676212.

It is an arithmetic number, because the mean of its divisors is an integer number (1320358997376).

Almost surely, 2^{10121210000123} is an apocalyptic number.

10121210000123 is a deficient number, since it is larger than the sum of its proper divisors (441661978885).

10121210000123 is an equidigital number, since it uses as much as digits as its factorization.

10121210000123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67057113.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10121210000123 its reverse (32100001212101), we get a palindrome (42221211212224).

The spelling of 10121210000123 in words is "ten trillion, one hundred twenty-one billion, two hundred ten million, one hundred twenty-three", and thus it is an aban number.