1220122123210 has 8 divisors (see below), whose sum is σ = 2196219821796. Its totient is φ = 488048849280.

The previous prime is 1220122123153. The next prime is 1220122123243. The reversal of 1220122123210 is 123212210221.

It can be written as a sum of positive squares in 2 ways, for example, as 1111196381689 + 108925741521 = 1054133^2 + 330039^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 61006106151 + ... + 61006106170.

Almost surely, 2^{1220122123210} is an apocalyptic number.

1220122123210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220122123210 is a deficient number, since it is larger than the sum of its proper divisors (976097698586).

1220122123210 is a wasteful number, since it uses less digits than its factorization.

1220122123210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122012212328.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1220122123210 its reverse (123212210221), we get a palindrome (1343334333431).

The spelling of 1220122123210 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twenty-three thousand, two hundred ten".