10012001002 has 8 divisors (see below), whose sum is σ = 15042343716. Its totient is φ = 4997886432.

The previous prime is 10012000981. The next prime is 10012001003. The reversal of 10012001002 is 20010021001.

It can be written as a sum of positive squares in 2 ways, for example, as 9986204761 + 25796241 = 99931^2 + 5079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10012001003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4055493 + ... + 4057960.

Almost surely, 2^10012001002 is an apocalyptic number.

10012001002 is a deficient number, since it is larger than the sum of its proper divisors (5030342714).

10012001002 is an equidigital number, since it uses as much as digits as its factorization.

10012001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8114072.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 10012001002 its reverse (20010021001), we get a palindrome (30022022003).

It can be divided in two parts, 1001 and 2001002, that multiplied together give a palindrome (2003003002).

The spelling of 10012001002 in words is "ten billion, twelve million, one thousand, two".