101200012123 has 8 divisors (see below), whose sum is σ = 117839367648. Its totient is φ = 85106209344.

The previous prime is 101200012117. The next prime is 101200012129. The reversal of 101200012123 is 321210002101.

It is an interprime number because it is at equal distance from previous prime (101200012117) and next prime (101200012129).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101200012123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101200012129) 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, 136387786 + ... + 136388527.

It is an arithmetic number, because the mean of its divisors is an integer number (14729920956).

Almost surely, 2^101200012123 is an apocalyptic number.

101200012123 is a deficient number, since it is larger than the sum of its proper divisors (16639355525).

101200012123 is an equidigital number, since it uses as much as digits as its factorization.

101200012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272776373.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 101200012123 its reverse (321210002101), we get a palindrome (422410014224).

The spelling of 101200012123 in words is "one hundred one billion, two hundred million, twelve thousand, one hundred twenty-three".