10120001202 has 72 divisors (see below), whose sum is σ = 22609431936. Its totient is φ = 3271381344.

The previous prime is 10120001191. The next prime is 10120001209. The reversal of 10120001202 is 20210002101.

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 (10120001209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11408803 + ... + 11409689.

It is an arithmetic number, because the mean of its divisors is an integer number (314019888).

Almost surely, 2^10120001202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10120001202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11304715968).

10120001202 is an abundant number, since it is smaller than the sum of its proper divisors (12489430734).

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

10120001202 is a wasteful number, since it uses less digits than its factorization.

10120001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1392 counting only the distinct ones).

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

Adding to 10120001202 its reverse (20210002101), we get a palindrome (30330003303).

The spelling of 10120001202 in words is "ten billion, one hundred twenty million, one thousand, two hundred two".