123102020022 has 32 divisors (see below), whose sum is σ = 253407828480. Its totient is φ = 39850405920.

The previous prime is 123102020017. The next prime is 123102020033. The reversal of 123102020022 is 220020201321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123102019983 and 123102020010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2099848 + ... + 2157675.

It is an arithmetic number, because the mean of its divisors is an integer number (7918994640).

Almost surely, 2^123102020022 is an apocalyptic number.

123102020022 is an abundant number, since it is smaller than the sum of its proper divisors (130305808458).

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

123102020022 is a wasteful number, since it uses less digits than its factorization.

123102020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4257668.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 123102020022 its reverse (220020201321), we get a palindrome (343122221343).

The spelling of 123102020022 in words is "one hundred twenty-three billion, one hundred two million, twenty thousand, twenty-two".