123312133030 has 16 divisors (see below), whose sum is σ = 222321594240. Its totient is φ = 49244907712.

The previous prime is 123312132961. The next prime is 123312133031. The reversal of 123312133030 is 30331213321.

It is a junction number, because it is equal to n+sod(n) for n = 123312132992 and 123312133010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123312133031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9986710 + ... + 9999049.

It is an arithmetic number, because the mean of its divisors is an integer number (13895099640).

Almost surely, 2^123312133030 is an apocalyptic number.

123312133030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123312133030 is a deficient number, since it is larger than the sum of its proper divisors (99009461210).

123312133030 is a wasteful number, since it uses less digits than its factorization.

123312133030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19986383.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 123312133030 its reverse (30331213321), we get a palindrome (153643346351).

The spelling of 123312133030 in words is "one hundred twenty-three billion, three hundred twelve million, one hundred thirty-three thousand, thirty".