12021301000123 has 8 divisors (see below), whose sum is σ = 12108293637440. Its totient is φ = 11934315626760.

The previous prime is 12021301000087. The next prime is 12021301000153. The reversal of 12021301000123 is 32100010312021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12021301000123 - 2²⁹ = 12020764129211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021301000097 and 12021301000106.

It is not an unprimeable number, because it can be changed into a prime (12021301000153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1528036 + ... + 5135902.

It is an arithmetic number, because the mean of its divisors is an integer number (1513536704680).

Almost surely, 2^{12021301000123} is an apocalyptic number.

12021301000123 is a deficient number, since it is larger than the sum of its proper divisors (86992637317).

12021301000123 is a wasteful number, since it uses less digits than its factorization.

12021301000123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631977.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12021301000123 its reverse (32100010312021), we get a palindrome (44121311312144).

The spelling of 12021301000123 in words is "twelve trillion, twenty-one billion, three hundred one million, one hundred twenty-three", and thus it is an aban number.