123120022202 has 4 divisors (see below), whose sum is σ = 184680033306. Its totient is φ = 61560011100.

The previous prime is 123120022153. The next prime is 123120022213. The reversal of 123120022202 is 202220021321.

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., 62765781961 + 60354240241 = 250531^2 + 245671^2 .

It is an unprimeable number.

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, 30780005549 + ... + 30780005552.

Almost surely, 2^123120022202 is an apocalyptic number.

123120022202 is a deficient number, since it is larger than the sum of its proper divisors (61560011104).

123120022202 is an equidigital number, since it uses as much as digits as its factorization.

123120022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61560011103.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 123120022202 its reverse (202220021321), we get a palindrome (325340043523).

The spelling of 123120022202 in words is "one hundred twenty-three billion, one hundred twenty million, twenty-two thousand, two hundred two".