1226231313880 has 32 divisors (see below), whose sum is σ = 2759147326800. Its totient is φ = 490469970816.

The previous prime is 1226231313841. The next prime is 1226231313883. The reversal of 1226231313880 is 883131326221.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226231313883) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 189931 + ... + 1577509.

Almost surely, 2^{1226231313880} is an apocalyptic number.

1226231313880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1226231313880 is an abundant number, since it is smaller than the sum of its proper divisors (1532916012920).

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

1226231313880 is a wasteful number, since it uses less digits than its factorization.

1226231313880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409683 (or 1409679 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 1226231313880 in words is "one trillion, two hundred twenty-six billion, two hundred thirty-one million, three hundred thirteen thousand, eight hundred eighty".