3201123201000 has 128 divisors (see below), whose sum is σ = 9999857462400. Its totient is φ = 852577036800.

The previous prime is 3201123200993. The next prime is 3201123201013. The reversal of 3201123201000 is 1023211023.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1767519 + ... + 3086481.

It is an arithmetic number, because the mean of its divisors is an integer number (78123886425).

Almost surely, 2^{3201123201000} is an apocalyptic number.

3201123201000 is a gapful number since it is divisible by the number (30) 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 3201123201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4999928731200).

3201123201000 is an abundant number, since it is smaller than the sum of its proper divisors (6798734261400).

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

3201123201000 is a wasteful number, since it uses less digits than its factorization.

3201123201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319796 (or 1319782 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 3201123201000 its reverse (1023211023), we get a palindrome (3202146412023).

The spelling of 3201123201000 in words is "three trillion, two hundred one billion, one hundred twenty-three million, two hundred one thousand".