123012320010 has 64 divisors (see below), whose sum is σ = 305731324800. Its totient is φ = 31656718080.

The previous prime is 123012320009. The next prime is 123012320069. The reversal of 123012320010 is 10023210321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537160 + ... + 731139.

It is an arithmetic number, because the mean of its divisors is an integer number (4777051950).

Almost surely, 2^123012320010 is an apocalyptic number.

123012320010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123012320010 is an abundant number, since it is smaller than the sum of its proper divisors (182719004790).

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

123012320010 is a wasteful number, since it uses less digits than its factorization.

123012320010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268423.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 123012320010 its reverse (10023210321), we get a palindrome (133035530331).

The spelling of 123012320010 in words is "one hundred twenty-three billion, twelve million, three hundred twenty thousand, ten".