1201495680000 has 3300 divisors, whose sum is σ = 5821876990512. Its totient is φ = 243855360000.

The previous prime is 1201495679971. The next prime is 1201495680013. The reversal of 1201495680000 is 865941021.

It is a tau number, because it is divible by the number of its divisors (3300).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 299 ways as a sum of consecutive naturals, for example, 27941759979 + ... + 27941760021.

Almost surely, 2^{1201495680000} is an apocalyptic number.

1201495680000 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 1201495680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2910938495256).

1201495680000 is an abundant number, since it is smaller than the sum of its proper divisors (4620381310512).

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

1201495680000 is an equidigital number, since it uses as much as digits as its factorization.

1201495680000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 1201495680000 in words is "one trillion, two hundred one billion, four hundred ninety-five million, six hundred eighty thousand".