123201030220 has 48 divisors (see below), whose sum is σ = 267925226688. Its totient is φ = 47557935360.

The previous prime is 123201030187. The next prime is 123201030263. The reversal of 123201030220 is 22030102321.

It is a junction number, because it is equal to n+sod(n) for n = 123201030194 and 123201030203.

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, 888024 + ... + 1017343.

It is an arithmetic number, because the mean of its divisors is an integer number (5581775556).

Almost surely, 2^123201030220 is an apocalyptic number.

123201030220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123201030220 is an abundant number, since it is smaller than the sum of its proper divisors (144724196468).

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

123201030220 is a wasteful number, since it uses less digits than its factorization.

123201030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905490 (or 1905488 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 123201030220 its reverse (22030102321), we get a palindrome (145231132541).

The spelling of 123201030220 in words is "one hundred twenty-three billion, two hundred one million, thirty thousand, two hundred twenty".