10321212002 has 4 divisors (see below), whose sum is σ = 15481818006. Its totient is φ = 5160606000.

The previous prime is 10321212001. The next prime is 10321212007. The reversal of 10321212002 is 20021212301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8924769841 + 1396442161 = 94471^2 + 37369^2 .

It is not an unprimeable number, because it can be changed into a prime (10321212001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2580302999 + ... + 2580303002.

Almost surely, 2^10321212002 is an apocalyptic number.

10321212002 is a deficient number, since it is larger than the sum of its proper divisors (5160606004).

10321212002 is an equidigital number, since it uses as much as digits as its factorization.

10321212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160606003.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10321212002 its reverse (20021212301), we get a palindrome (30342424303).

The spelling of 10321212002 in words is "ten billion, three hundred twenty-one million, two hundred twelve thousand, two".