123021111012330 has 16 divisors (see below), whose sum is σ = 295250666429664. Its totient is φ = 32805629603280.

The previous prime is 123021111012301. The next prime is 123021111012347. The reversal of 123021111012330 is 33210111120321.

It is a junction number, because it is equal to n+sod(n) for n = 123021111012297 and 123021111012306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2050351850176 + ... + 2050351850235.

It is an arithmetic number, because the mean of its divisors is an integer number (18453166651854).

Almost surely, 2^{123021111012330} is an apocalyptic number.

123021111012330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123021111012330 is an abundant number, since it is smaller than the sum of its proper divisors (172229555417334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123021111012330 is a wasteful number, since it uses less digits than its factorization.

123021111012330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100703700421.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 123021111012330 its reverse (33210111120321), we get a palindrome (156231222132651).

The spelling of 123021111012330 in words is "one hundred twenty-three trillion, twenty-one billion, one hundred eleven million, twelve thousand, three hundred thirty".