10215312002 has 64 divisors (see below), whose sum is σ = 19270379520. Its totient is φ = 3959940096.

The previous prime is 10215312001. The next prime is 10215312059. The reversal of 10215312002 is 20021351201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (10215312001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1535828 + ... + 1542464.

It is an arithmetic number, because the mean of its divisors is an integer number (301099680).

Almost surely, 2^10215312002 is an apocalyptic number.

10215312002 is a deficient number, since it is larger than the sum of its proper divisors (9055067518).

10215312002 is a wasteful number, since it uses less digits than its factorization.

10215312002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6915.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 10215312002 its reverse (20021351201), we get a palindrome (30236663203).

The spelling of 10215312002 in words is "ten billion, two hundred fifteen million, three hundred twelve thousand, two".