12030002121 has 8 divisors (see below), whose sum is σ = 16041009600. Its totient is φ = 8019498032.

The previous prime is 12030002071. The next prime is 12030002137. The reversal of 12030002121 is 12120003021.

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 12030002121 - 2¹³ = 12029993929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12030002097 and 12030002106.

It is not an unprimeable number, because it can be changed into a prime (12030002161) 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, 66021 + ... + 168578.

It is an arithmetic number, because the mean of its divisors is an integer number (2005126200).

Almost surely, 2^12030002121 is an apocalyptic number.

It is an amenable number.

12030002121 is a deficient number, since it is larger than the sum of its proper divisors (4011007479).

12030002121 is a wasteful number, since it uses less digits than its factorization.

12030002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251695.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12030002121 its reverse (12120003021), we get a palindrome (24150005142).

The spelling of 12030002121 in words is "twelve billion, thirty million, two thousand, one hundred twenty-one".