1000001203230 has 128 divisors (see below), whose sum is σ = 2625794703360. Its totient is φ = 242639953920.

The previous prime is 1000001203177. The next prime is 1000001203237. The reversal of 1000001203230 is 323021000001.

It is a happy number.

It is a super-2 number, since 2×1000001203230² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000001203237) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15920947 + ... + 15983633.

It is an arithmetic number, because the mean of its divisors is an integer number (20514021120).

Almost surely, 2^{1000001203230} is an apocalyptic number.

1000001203230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000001203230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1312897351680).

1000001203230 is an abundant number, since it is smaller than the sum of its proper divisors (1625793500130).

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

1000001203230 is a wasteful number, since it uses less digits than its factorization.

1000001203230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63754.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1000001203230 its reverse (323021000001), we get a palindrome (1323022203231).

The spelling of 1000001203230 in words is "one trillion, one million, two hundred three thousand, two hundred thirty".