120001022002 has 8 divisors (see below), whose sum is σ = 180063249516. Its totient is φ = 59979938832.

The previous prime is 120001021939. The next prime is 120001022003. The reversal of 120001022002 is 200220100021.

It can be written as a sum of positive squares in 2 ways, for example, as 86782678921 + 33218343081 = 294589^2 + 182259^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 120001022002.

It is not an unprimeable number, because it can be changed into a prime (120001022003) 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, 10278793 + ... + 10290460.

Almost surely, 2^120001022002 is an apocalyptic number.

120001022002 is a deficient number, since it is larger than the sum of its proper divisors (60062227514).

120001022002 is a wasteful number, since it uses less digits than its factorization.

120001022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20572172.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 120001022002 its reverse (200220100021), we get a palindrome (320221122023).

The spelling of 120001022002 in words is "one hundred twenty billion, one million, twenty-two thousand, two".