1222012020010 has 24 divisors (see below), whose sum is σ = 2204740359108. Its totient is φ = 487669948800.

The previous prime is 1222012019989. The next prime is 1222012020029. The reversal of 1222012020010 is 100202102221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1216452379041 + 5559640969 = 1102929^2 + 74563^2 .

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 in 11 ways as a sum of consecutive naturals, for example, 1528690 + ... + 2186530.

Almost surely, 2^{1222012020010} is an apocalyptic number.

1222012020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222012020010 is a deficient number, since it is larger than the sum of its proper divisors (982728339098).

1222012020010 is an frugal number, since it uses more digits than its factorization.

1222012020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658710 (or 658279 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1222012020010 its reverse (100202102221), we get a palindrome (1322214122231).

The spelling of 1222012020010 in words is "one trillion, two hundred twenty-two billion, twelve million, twenty thousand, ten".