1220279087104 has 416 divisors, whose sum is σ = 3130648952832. Its totient is φ = 461807616000.

The previous prime is 1220279087087. The next prime is 1220279087143. The reversal of 1220279087104 is 4017809720221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2831273769 + ... + 2831274199.

Almost surely, 2^{1220279087104} is an apocalyptic number.

1220279087104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220279087104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1565324476416).

1220279087104 is an abundant number, since it is smaller than the sum of its proper divisors (1910369865728).

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

1220279087104 is a wasteful number, since it uses less digits than its factorization.

1220279087104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 1220279087104 in words is "one trillion, two hundred twenty billion, two hundred seventy-nine million, eighty-seven thousand, one hundred four".