1201648089600 has 2400 divisors, whose sum is σ = 5402880384000. Its totient is φ = 263363788800.

The previous prime is 1201648089583. The next prime is 1201648089611. The reversal of 1201648089600 is 69808461021.

1201648089600 is a `hidden beast` number, since 1 + 20 + 16 + 4 + 8 + 0 + 8 + 9 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (2400).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 11024294346 + ... + 11024294454.

It is an arithmetic number, because the mean of its divisors is an integer number (2251200160).

Almost surely, 2^{1201648089600} is an apocalyptic number.

1201648089600 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 1201648089600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2701440192000).

1201648089600 is an abundant number, since it is smaller than the sum of its proper divisors (4201232294400).

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

1201648089600 is an equidigital number, since it uses as much as digits as its factorization.

1201648089600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 1201648089600 in words is "one trillion, two hundred one billion, six hundred forty-eight million, eighty-nine thousand, six hundred".