123020222 has 32 divisors (see below), whose sum is σ = 203575680. Its totient is φ = 55411200.

The previous prime is 123020221. The next prime is 123020239. The reversal of 123020222 is 222020321.

It is a junction number, because it is equal to n+sod(n) for n = 123020197 and 123020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207158 + ... + 207750.

It is an arithmetic number, because the mean of its divisors is an integer number (6361740).

Almost surely, 2^123020222 is an apocalyptic number.

123020222 is a deficient number, since it is larger than the sum of its proper divisors (80555458).

123020222 is a wasteful number, since it uses less digits than its factorization.

123020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 123020222 is about 11091.4481471087. The cubic root of 123020222 is about 497.3462359919.

Adding to 123020222 its reverse (222020321), we get a palindrome (345040543).

Subtracting 123020222 from its reverse (222020321), we obtain a palindrome (99000099).

The spelling of 123020222 in words is "one hundred twenty-three million, twenty thousand, two hundred twenty-two".