1208403071220 has 48 divisors (see below), whose sum is σ = 3383804007360. Its totient is φ = 322214589696.

The previous prime is 1208403071207. The next prime is 1208403071231. The reversal of 1208403071220 is 221703048021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70737 + ... + 1556216.

It is an arithmetic number, because the mean of its divisors is an integer number (70495916820).

Almost surely, 2^{1208403071220} is an apocalyptic number.

1208403071220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1208403071220 is an abundant number, since it is smaller than the sum of its proper divisors (2175400936140).

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

1208403071220 is a wasteful number, since it uses less digits than its factorization.

1208403071220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639344 (or 1639342 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The spelling of 1208403071220 in words is "one trillion, two hundred eight billion, four hundred three million, seventy-one thousand, two hundred twenty".