1200201101000 has 512 divisors, whose sum is σ = 3293761536000. Its totient is φ = 404756352000.

The previous prime is 1200201100991. The next prime is 1200201101009. The reversal of 1200201101000 is 1011020021.

It is an interprime number because it is at equal distance from previous prime (1200201100991) and next prime (1200201101009).

It is a super-2 number, since 2×1200201101000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (1200201101009) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2592226769 + ... + 2592227231.

It is an arithmetic number, because the mean of its divisors is an integer number (6433128000).

Almost surely, 2^{1200201101000} is an apocalyptic number.

1200201101000 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 1200201101000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646880768000).

1200201101000 is an abundant number, since it is smaller than the sum of its proper divisors (2093560435000).

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

1200201101000 is a wasteful number, since it uses less digits than its factorization.

1200201101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1200201101000 its reverse (1011020021), we get a palindrome (1201212121021).

The spelling of 1200201101000 in words is "one trillion, two hundred billion, two hundred one million, one hundred one thousand".