1222220212010 has 32 divisors (see below), whose sum is σ = 2514673710720. Its totient is φ = 418981574592.

The previous prime is 1222220212007. The next prime is 1222220212027. The reversal of 1222220212010 is 102120222221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222220212010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 908465 + ... + 1808244.

It is an arithmetic number, because the mean of its divisors is an integer number (78583553460).

Almost surely, 2^{1222220212010} is an apocalyptic number.

1222220212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222220212010 is an abundant number, since it is smaller than the sum of its proper divisors (1292453498710).

1222220212010 is a wasteful number, since it uses less digits than its factorization.

1222220212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723150.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1222220212010 its reverse (102120222221), we get a palindrome (1324340434231).

The spelling of 1222220212010 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, two hundred twelve thousand, ten".