1286227330780 has 48 divisors (see below), whose sum is σ = 3090752211456. Its totient is φ = 440448425280.

The previous prime is 1286227330777. The next prime is 1286227330783. The reversal of 1286227330780 is 870337226821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1286227330777) and next prime (1286227330783).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286227330783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5550664 + ... + 5777743.

It is an arithmetic number, because the mean of its divisors is an integer number (64390671072).

Almost surely, 2^{1286227330780} is an apocalyptic number.

1286227330780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1286227330780 is an abundant number, since it is smaller than the sum of its proper divisors (1804524880676).

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

1286227330780 is a wasteful number, since it uses less digits than its factorization.

1286227330780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11329234 (or 11329232 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 1286227330780 in words is "one trillion, two hundred eighty-six billion, two hundred twenty-seven million, three hundred thirty thousand, seven hundred eighty".