101301212123 has 4 divisors (see below), whose sum is σ = 103018181880. Its totient is φ = 99584242368.

The previous prime is 101301212107. The next prime is 101301212219. The reversal of 101301212123 is 321212103101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101301212123 - 2⁴ = 101301212107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101301212423) 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, 858484790 + ... + 858484907.

It is an arithmetic number, because the mean of its divisors is an integer number (25754545470).

Almost surely, 2^101301212123 is an apocalyptic number.

101301212123 is a deficient number, since it is larger than the sum of its proper divisors (1716969757).

101301212123 is an equidigital number, since it uses as much as digits as its factorization.

101301212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716969756.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101301212123 its reverse (321212103101), we get a palindrome (422513315224).

The spelling of 101301212123 in words is "one hundred one billion, three hundred one million, two hundred twelve thousand, one hundred twenty-three".