123211202230 has 16 divisors (see below), whose sum is σ = 222894640800. Its totient is φ = 49036819392.

The previous prime is 123211202207. The next prime is 123211202237. The reversal of 123211202230 is 32202112321.

It is a junction number, because it is equal to n+sod(n) for n = 123211202198 and 123211202207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123211202237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30955599 + ... + 30959578.

It is an arithmetic number, because the mean of its divisors is an integer number (13930915050).

Almost surely, 2^123211202230 is an apocalyptic number.

123211202230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123211202230 is a deficient number, since it is larger than the sum of its proper divisors (99683438570).

123211202230 is a wasteful number, since it uses less digits than its factorization.

123211202230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61915383.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123211202230 its reverse (32202112321), we get a palindrome (155413314551).

The spelling of 123211202230 in words is "one hundred twenty-three billion, two hundred eleven million, two hundred two thousand, two hundred thirty".