1222020254412 has 36 divisors (see below), whose sum is σ = 3160832755080. Its totient is φ = 397867059072.

The previous prime is 1222020254353. The next prime is 1222020254423. The reversal of 1222020254412 is 2144520202221.

1222020254412 is a `hidden beast` number, since 1 + 2 + 220 + 2 + 0 + 25 + 4 + 412 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 394707837 + ... + 394710932.

Almost surely, 2^{1222020254412} is an apocalyptic number.

1222020254412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222020254412 is an abundant number, since it is smaller than the sum of its proper divisors (1938812500668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222020254412 is a wasteful number, since it uses less digits than its factorization.

1222020254412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789418822 (or 789418817 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 1222020254412 its reverse (2144520202221), we get a palindrome (3366540456633).

The spelling of 1222020254412 in words is "one trillion, two hundred twenty-two billion, twenty million, two hundred fifty-four thousand, four hundred twelve".