120231202030402 has 4 divisors (see below), whose sum is σ = 180346803045606. Its totient is φ = 60115601015200.

The previous prime is 120231202030369. The next prime is 120231202030403. The reversal of 120231202030402 is 204030202132021.

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., 116115947555521 + 4115254474881 = 10775711^2 + 2028609^2 .

It is not an unprimeable number, because it can be changed into a prime (120231202030403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30057800507599 + ... + 30057800507602.

Almost surely, 2^{120231202030402} is an apocalyptic number.

120231202030402 is a deficient number, since it is larger than the sum of its proper divisors (60115601015204).

120231202030402 is an equidigital number, since it uses as much as digits as its factorization.

120231202030402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60115601015203.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 120231202030402 its reverse (204030202132021), we get a palindrome (324261404162423).

The spelling of 120231202030402 in words is "one hundred twenty trillion, two hundred thirty-one billion, two hundred two million, thirty thousand, four hundred two".