1201350000 has 120 divisors (see below), whose sum is σ = 3879595440. Its totient is φ = 320320000.

The previous prime is 1201349951. The next prime is 1201350001. The reversal of 1201350000 is 531021.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201350001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145996 + ... + 154004.

It is an arithmetic number, because the mean of its divisors is an integer number (32329962).

Almost surely, 2^1201350000 is an apocalyptic number.

1201350000 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 1201350000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1939797720).

1201350000 is an abundant number, since it is smaller than the sum of its proper divisors (2678245440).

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

1201350000 is an frugal number, since it uses more digits than its factorization.

1201350000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8045 (or 8019 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1201350000 is about 34660.4962457262. The cubic root of 1201350000 is about 1063.0569168030.

Adding to 1201350000 its reverse (531021), we get a palindrome (1201881021).

The spelling of 1201350000 in words is "one billion, two hundred one million, three hundred fifty thousand".