10301212123 has 4 divisors (see below), whose sum is σ = 10304636328. Its totient is φ = 10297787920.

The previous prime is 10301212091. The next prime is 10301212127. The reversal of 10301212123 is 32121210301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32121210301 = 20759 ⋅1547339.

It is a cyclic number.

It is not a de Polignac number, because 10301212123 - 2⁵ = 10301212091 is a prime.

It is a super-2 number, since 2×10301212123² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10301212097 and 10301212106.

It is not an unprimeable number, because it can be changed into a prime (10301212127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1707586 + ... + 1713607.

It is an arithmetic number, because the mean of its divisors is an integer number (2576159082).

Almost surely, 2^10301212123 is an apocalyptic number.

10301212123 is a deficient number, since it is larger than the sum of its proper divisors (3424205).

10301212123 is an equidigital number, since it uses as much as digits as its factorization.

10301212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424204.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10301212123 its reverse (32121210301), we get a palindrome (42422422424).

The spelling of 10301212123 in words is "ten billion, three hundred one million, two hundred twelve thousand, one hundred twenty-three".