10201012002 has 24 divisors (see below), whose sum is σ = 22107971340. Its totient is φ = 3399448320.

The previous prime is 10201011979. The next prime is 10201012009. The reversal of 10201012002 is 20021010201.

It can be written as a sum of positive squares in 2 ways, for example, as 10026217161 + 174794841 = 100131^2 + 13221^2 .

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 (10201012009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1399 + ... + 142842.

Almost surely, 2^10201012002 is an apocalyptic number.

10201012002 is an abundant number, since it is smaller than the sum of its proper divisors (11906959338).

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

10201012002 is a wasteful number, since it uses less digits than its factorization.

10201012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148178 (or 148175 counting only the distinct ones).

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

Adding to 10201012002 its reverse (20021010201), we get a palindrome (30222022203).

The spelling of 10201012002 in words is "ten billion, two hundred one million, twelve thousand, two".