123201211030 has 16 divisors (see below), whose sum is σ = 224253891360. Its totient is φ = 48726770752.

The previous prime is 123201211019. The next prime is 123201211087. The reversal of 123201211030 is 30112102321.

It is a junction number, because it is equal to n+sod(n) for n = 123201210995 and 123201211013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69213274 + ... + 69215053.

It is an arithmetic number, because the mean of its divisors is an integer number (14015868210).

Almost surely, 2^123201211030 is an apocalyptic number.

123201211030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123201211030 is a deficient number, since it is larger than the sum of its proper divisors (101052680330).

123201211030 is a wasteful number, since it uses less digits than its factorization.

123201211030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138428423.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 123201211030 its reverse (30112102321), we get a palindrome (153313313351).

The spelling of 123201211030 in words is "one hundred twenty-three billion, two hundred one million, two hundred eleven thousand, thirty".