123120213110 has 32 divisors (see below), whose sum is σ = 234589940640. Its totient is φ = 46444059648.

The previous prime is 123120213037. The next prime is 123120213121. The reversal of 123120213110 is 11312021321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4924187 + ... + 4949126.

It is an arithmetic number, because the mean of its divisors is an integer number (7330935645).

Almost surely, 2^123120213110 is an apocalyptic number.

123120213110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123120213110 is a deficient number, since it is larger than the sum of its proper divisors (111469727530).

123120213110 is a wasteful number, since it uses less digits than its factorization.

123120213110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9873392.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 123120213110 its reverse (11312021321), we get a palindrome (134432234431).

The spelling of 123120213110 in words is "one hundred twenty-three billion, one hundred twenty million, two hundred thirteen thousand, one hundred ten".