123222020100 has 36 divisors (see below), whose sum is σ = 356522379024. Its totient is φ = 32859205280.

The previous prime is 123222020099. The next prime is 123222020149. The reversal of 123222020100 is 1020222321.

It is a happy number.

123222020100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 123222020100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205369734 + ... + 205370333.

Almost surely, 2^123222020100 is an apocalyptic number.

123222020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123222020100 is an abundant number, since it is smaller than the sum of its proper divisors (233300358924).

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

123222020100 is a wasteful number, since it uses less digits than its factorization.

123222020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410740084 (or 410740077 counting only the distinct ones).

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

Adding to 123222020100 its reverse (1020222321), we get a palindrome (124242242421).

The spelling of 123222020100 in words is "one hundred twenty-three billion, two hundred twenty-two million, twenty thousand, one hundred".