12121002983 has 4 divisors (see below), whose sum is σ = 12133016880. Its totient is φ = 12108989088.

The previous prime is 12121002977. The next prime is 12121002997. The reversal of 12121002983 is 38920012121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38920012121 = 239 ⋅162845239.

It is a cyclic number.

It is not a de Polignac number, because 12121002983 - 2⁶ = 12121002919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121002683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6005435 + ... + 6007452.

It is an arithmetic number, because the mean of its divisors is an integer number (3033254220).

Almost surely, 2^12121002983 is an apocalyptic number.

12121002983 is a deficient number, since it is larger than the sum of its proper divisors (12013897).

12121002983 is a wasteful number, since it uses less digits than its factorization.

12121002983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12013896.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 12121002983 in words is "twelve billion, one hundred twenty-one million, two thousand, nine hundred eighty-three".