123001212123002 has 32 divisors (see below), whose sum is σ = 187101425879184. Its totient is φ = 60634725465600.

The previous prime is 123001212122959. The next prime is 123001212123029. The reversal of 123001212123002 is 200321212100321.

It can be written as a sum of positive squares in 8 ways, for example, as 122673101972521 + 328110150481 = 11075789^2 + 572809^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5840225552 + ... + 5840246612.

Almost surely, 2^{123001212123002} is an apocalyptic number.

123001212123002 is a deficient number, since it is larger than the sum of its proper divisors (64100213756182).

123001212123002 is a wasteful number, since it uses less digits than its factorization.

123001212123002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34674.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 123001212123002 its reverse (200321212100321), we get a palindrome (323322424223323).

The spelling of 123001212123002 in words is "one hundred twenty-three trillion, one billion, two hundred twelve million, one hundred twenty-three thousand, two".