123102101450220 has 96 divisors (see below), whose sum is σ = 346485875312640. Its totient is φ = 32655813120000.

The previous prime is 123102101450201. The next prime is 123102101450221. The reversal of 123102101450220 is 22054101201321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123102101450221) 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 31 ways as a sum of consecutive naturals, for example, 303784101 + ... + 304189059.

It is an arithmetic number, because the mean of its divisors is an integer number (3609227867840).

Almost surely, 2^{123102101450220} is an apocalyptic number.

123102101450220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123102101450220 is an abundant number, since it is smaller than the sum of its proper divisors (223383773862420).

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

123102101450220 is a wasteful number, since it uses less digits than its factorization.

123102101450220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431415 (or 431413 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 123102101450220 its reverse (22054101201321), we get a palindrome (145156202651541).

The spelling of 123102101450220 in words is "one hundred twenty-three trillion, one hundred two billion, one hundred one million, four hundred fifty thousand, two hundred twenty".