1222012111010 has 16 divisors (see below), whose sum is σ = 2201751171576. Its totient is φ = 488331650688.

The previous prime is 1222012111009. The next prime is 1222012111013. The reversal of 1222012111010 is 101112102221.

It can be written as a sum of positive squares in 4 ways, for example, as 1137484107841 + 84528003169 = 1066529^2 + 290737^2 .

It is not an unprimeable number, because it can be changed into a prime (1222012111013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59138369 + ... + 59159028.

Almost surely, 2^{1222012111010} is an apocalyptic number.

1222012111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222012111010 is a deficient number, since it is larger than the sum of its proper divisors (979739060566).

1222012111010 is a wasteful number, since it uses less digits than its factorization.

1222012111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118298437.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1222012111010 its reverse (101112102221), we get a palindrome (1323124213231).

It can be divided in two parts, 122201211 and 1010, that added together give a palindrome (122202221).

The spelling of 1222012111010 in words is "one trillion, two hundred twenty-two billion, twelve million, one hundred eleven thousand, ten".