123021202222 has 4 divisors (see below), whose sum is σ = 184531803336. Its totient is φ = 61510601110.

The previous prime is 123021202217. The next prime is 123021202237. The reversal of 123021202222 is 222202120321.

123021202222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×123021202222² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123021202222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30755300554 + ... + 30755300557.

It is an arithmetic number, because the mean of its divisors is an integer number (46132950834).

Almost surely, 2^123021202222 is an apocalyptic number.

123021202222 is a deficient number, since it is larger than the sum of its proper divisors (61510601114).

123021202222 is an equidigital number, since it uses as much as digits as its factorization.

123021202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61510601113.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 123021202222 its reverse (222202120321), we get a palindrome (345223322543).

The spelling of 123021202222 in words is "one hundred twenty-three billion, twenty-one million, two hundred two thousand, two hundred twenty-two".