1220550142210 has 32 divisors (see below), whose sum is σ = 2511638778240. Its totient is φ = 418342205952.

The previous prime is 1220550142177. The next prime is 1220550142307. The reversal of 1220550142210 is 122410550221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2529264 + ... + 2972923.

It is an arithmetic number, because the mean of its divisors is an integer number (78488711820).

Almost surely, 2^{1220550142210} is an apocalyptic number.

1220550142210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220550142210 is an abundant number, since it is smaller than the sum of its proper divisors (1291088636030).

1220550142210 is a wasteful number, since it uses less digits than its factorization.

1220550142210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505370.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 1220550142210 its reverse (122410550221), we get a palindrome (1342960692431).

The spelling of 1220550142210 in words is "one trillion, two hundred twenty billion, five hundred fifty million, one hundred forty-two thousand, two hundred ten".