1227980479488 has 704 divisors, whose sum is σ = 4071728640000. Its totient is φ = 327936688128.

The previous prime is 1227980479483. The next prime is 1227980479493. The reversal of 1227980479488 is 8849740897221.

It is an interprime number because it is at equal distance from previous prime (1227980479483) and next prime (1227980479493).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227980479483) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1661678223 + ... + 1661678961.

Almost surely, 2^{1227980479488} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1227980479488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2035864320000).

1227980479488 is an abundant number, since it is smaller than the sum of its proper divisors (2843748160512).

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

1227980479488 is an equidigital number, since it uses as much as digits as its factorization.

1227980479488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 130056192, while the sum is 69.

The spelling of 1227980479488 in words is "one trillion, two hundred twenty-seven billion, nine hundred eighty million, four hundred seventy-nine thousand, four hundred eighty-eight".