12123123002 has 16 divisors (see below), whose sum is σ = 18221905152. Its totient is φ = 6049169280.

The previous prime is 12123122983. The next prime is 12123123091. The reversal of 12123123002 is 20032132121.

It is a super-2 number, since 2×12123123002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2350058 + ... + 2355210.

It is an arithmetic number, because the mean of its divisors is an integer number (1138869072).

Almost surely, 2^12123123002 is an apocalyptic number.

12123123002 is a deficient number, since it is larger than the sum of its proper divisors (6098782150).

12123123002 is a wasteful number, since it uses less digits than its factorization.

12123123002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12123123002 its reverse (20032132121), we get a palindrome (32155255123).

The spelling of 12123123002 in words is "twelve billion, one hundred twenty-three million, one hundred twenty-three thousand, two".