123101021232122 has 8 divisors (see below), whose sum is σ = 195513386662836. Its totient is φ = 57929892344512.

The previous prime is 123101021232121. The next prime is 123101021232181. The reversal of 123101021232122 is 221232120101321.

It can be written as a sum of positive squares in 2 ways, for example, as 121764405465481 + 1336615766641 = 11034691^2 + 1156121^2 .

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

It is a super-2 number, since 2×123101021232122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123101021232121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1810309135733 + ... + 1810309135800.

Almost surely, 2^{123101021232122} is an apocalyptic number.

123101021232122 is a deficient number, since it is larger than the sum of its proper divisors (72412365430714).

123101021232122 is a wasteful number, since it uses less digits than its factorization.

123101021232122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620618271552.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 123101021232122 its reverse (221232120101321), we get a palindrome (344333141333443).

The spelling of 123101021232122 in words is "one hundred twenty-three trillion, one hundred one billion, twenty-one million, two hundred thirty-two thousand, one hundred twenty-two".