123102012002 has 8 divisors (see below), whose sum is σ = 186481266012. Its totient is φ = 60941590000.

The previous prime is 123102012001. The next prime is 123102012017. The reversal of 123102012002 is 200210201321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119405493601 + 3696518401 = 345551^2 + 60799^2 .

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

It is not an unprimeable number, because it can be changed into a prime (123102012001) 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, 304707749 + ... + 304708152.

Almost surely, 2^123102012002 is an apocalyptic number.

123102012002 is a deficient number, since it is larger than the sum of its proper divisors (63379254010).

123102012002 is a wasteful number, since it uses less digits than its factorization.

123102012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609416004.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 123102012002 its reverse (200210201321), we get a palindrome (323312213323).

The spelling of 123102012002 in words is "one hundred twenty-three billion, one hundred two million, twelve thousand, two".