12012300121 has 8 divisors (see below), whose sum is σ = 12107512064. Its totient is φ = 11917428480.

The previous prime is 12012300103. The next prime is 12012300149. The reversal of 12012300121 is 12100321021.

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 12012300121 - 2¹⁷ = 12012169049 is a prime.

It is a super-2 number, since 2×12012300121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012306121) 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, 13965 + ... + 155626.

It is an arithmetic number, because the mean of its divisors is an integer number (1513439008).

Almost surely, 2^12012300121 is an apocalyptic number.

It is an amenable number.

12012300121 is a deficient number, since it is larger than the sum of its proper divisors (95211943).

12012300121 is a wasteful number, since it uses less digits than its factorization.

12012300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170151.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12012300121 its reverse (12100321021), we get a palindrome (24112621142).

The spelling of 12012300121 in words is "twelve billion, twelve million, three hundred thousand, one hundred twenty-one".