123302121002 has 4 divisors (see below), whose sum is σ = 184953181506. Its totient is φ = 61651060500.

The previous prime is 123302120969. The next prime is 123302121011. The reversal of 123302121002 is 200121203321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 122956123801 + 345997201 = 350651^2 + 18601^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30825530249 + ... + 30825530252.

Almost surely, 2^123302121002 is an apocalyptic number.

123302121002 is a deficient number, since it is larger than the sum of its proper divisors (61651060504).

123302121002 is an equidigital number, since it uses as much as digits as its factorization.

123302121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61651060503.

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

Adding to 123302121002 its reverse (200121203321), we get a palindrome (323423324323).

The spelling of 123302121002 in words is "one hundred twenty-three billion, three hundred two million, one hundred twenty-one thousand, two".