123021121000010 has 64 divisors (see below), whose sum is σ = 229298339635200. Its totient is φ = 47465049445632.

The previous prime is 123021121000007. The next prime is 123021121000073. The reversal of 123021121000010 is 10000121120321.

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, 2496497492 + ... + 2496546768.

It is an arithmetic number, because the mean of its divisors is an integer number (3582786556800).

Almost surely, 2^{123021121000010} is an apocalyptic number.

123021121000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123021121000010 is a deficient number, since it is larger than the sum of its proper divisors (106277218635190).

123021121000010 is a wasteful number, since it uses less digits than its factorization.

123021121000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57575.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 123021121000010 its reverse (10000121120321), we get a palindrome (133021242120331).

The spelling of 123021121000010 in words is "one hundred twenty-three trillion, twenty-one billion, one hundred twenty-one million, ten", and thus it is an aban number.