1000120001202 has 128 divisors (see below), whose sum is σ = 2689833484800. Its totient is φ = 268896319488.

The previous prime is 1000120001191. The next prime is 1000120001203. The reversal of 1000120001202 is 2021000210001.

1000120001202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1000120001203) 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, 69965568 + ... + 69979860.

It is an arithmetic number, because the mean of its divisors is an integer number (21014324100).

Almost surely, 2^{1000120001202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000120001202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344916742400).

1000120001202 is an abundant number, since it is smaller than the sum of its proper divisors (1689713483598).

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

1000120001202 is a wasteful number, since it uses less digits than its factorization.

1000120001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25217 (or 25211 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1000120001202 its reverse (2021000210001), we get a palindrome (3021120211203).

The spelling of 1000120001202 in words is "one trillion, one hundred twenty million, one thousand, two hundred two".