1228054630720 has 56 divisors (see below), whose sum is σ = 2924781552000. Its totient is φ = 491141816832.

The previous prime is 1228054630703. The next prime is 1228054630741. The reversal of 1228054630720 is 270364508221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674141 + ... + 2293219.

It is an arithmetic number, because the mean of its divisors is an integer number (52228242000).

Almost surely, 2^{1228054630720} is an apocalyptic number.

1228054630720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1228054630720 is an abundant number, since it is smaller than the sum of its proper divisors (1696726921280).

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

1228054630720 is an equidigital number, since it uses as much as digits as its factorization.

1228054630720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625295 (or 625285 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 1228054630720 in words is "one trillion, two hundred twenty-eight billion, fifty-four million, six hundred thirty thousand, seven hundred twenty".