123120324102 has 128 divisors (see below), whose sum is σ = 277911129600. Its totient is φ = 36134332416.

The previous prime is 123120324101. The next prime is 123120324137. The reversal of 123120324102 is 201423021321.

It is a super-2 number, since 2×123120324102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123120324101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52636849 + ... + 52639187.

It is an arithmetic number, because the mean of its divisors is an integer number (2171180700).

Almost surely, 2^123120324102 is an apocalyptic number.

123120324102 is an abundant number, since it is smaller than the sum of its proper divisors (154790805498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123120324102 is a wasteful number, since it uses less digits than its factorization.

123120324102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 123120324102 its reverse (201423021321), we get a palindrome (324543345423).

The spelling of 123120324102 in words is "one hundred twenty-three billion, one hundred twenty million, three hundred twenty-four thousand, one hundred two".