1021312002 has 8 divisors (see below), whose sum is σ = 2042624016. Its totient is φ = 340437332.

The previous prime is 1021311983. The next prime is 1021312027. The reversal of 1021312002 is 2002131201.

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

1021312002 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85109328 + ... + 85109339.

It is an arithmetic number, because the mean of its divisors is an integer number (255328002).

Almost surely, 2^1021312002 is an apocalyptic number.

1021312002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1021312002 is a wasteful number, since it uses less digits than its factorization.

1021312002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170218672.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1021312002 is about 31957.9724325559. The cubic root of 1021312002 is about 1007.0541230093.

Adding to 1021312002 its reverse (2002131201), we get a palindrome (3023443203).

The spelling of 1021312002 in words is "one billion, twenty-one million, three hundred twelve thousand, two".