120220001002 has 4 divisors (see below), whose sum is σ = 180330001506. Its totient is φ = 60110000500.

The previous prime is 120220000981. The next prime is 120220001047. The reversal of 120220001002 is 200100022021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200100022021 = 6793 ⋅29456797.

It can be written as a sum of positive squares in only one way, i.e., 117195990921 + 3024010081 = 342339^2 + 54991^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120220001002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30055000249 + ... + 30055000252.

Almost surely, 2^120220001002 is an apocalyptic number.

120220001002 is a deficient number, since it is larger than the sum of its proper divisors (60110000504).

120220001002 is an equidigital number, since it uses as much as digits as its factorization.

120220001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60110000503.

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

Adding to 120220001002 its reverse (200100022021), we get a palindrome (320320023023).

The spelling of 120220001002 in words is "one hundred twenty billion, two hundred twenty million, one thousand, two".