1202122120080 has 160 divisors (see below), whose sum is σ = 4267841126400. Its totient is φ = 274196952576.

The previous prime is 1202122120007. The next prime is 1202122120081. The reversal of 1202122120080 is 800212212021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1202122120081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57801 + ... + 1551639.

It is an arithmetic number, because the mean of its divisors is an integer number (26674007040).

Almost surely, 2^{1202122120080} is an apocalyptic number.

1202122120080 is a gapful number since it is divisible by the number (10) 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 1202122120080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2133920563200).

1202122120080 is an abundant number, since it is smaller than the sum of its proper divisors (3065719006320).

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

1202122120080 is a wasteful number, since it uses less digits than its factorization.

1202122120080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494341 (or 1494335 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The spelling of 1202122120080 in words is "one trillion, two hundred two billion, one hundred twenty-two million, one hundred twenty thousand, eighty".