1002012010 has 8 divisors (see below), whose sum is σ = 1803621636. Its totient is φ = 400804800.

The previous prime is 1002012007. The next prime is 1002012013. The reversal of 1002012010 is 102102001.

It is an interprime number because it is at equal distance from previous prime (1002012007) and next prime (1002012013).

It can be written as a sum of positive squares in 2 ways, for example, as 945747009 + 56265001 = 30753^2 + 7501^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1002011984 and 1002012002.

It is not an unprimeable number, because it can be changed into a prime (1002012013) 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, 50100591 + ... + 50100610.

Almost surely, 2^1002012010 is an apocalyptic number.

1002012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002012010 is a deficient number, since it is larger than the sum of its proper divisors (801609626).

1002012010 is a wasteful number, since it uses less digits than its factorization.

1002012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100201208.

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

The square root of 1002012010 is about 31654.5732872835. The cubic root of 1002012010 is about 1000.6702207039.

Adding to 1002012010 its reverse (102102001), we get a palindrome (1104114011).

The spelling of 1002012010 in words is "one billion, two million, twelve thousand, ten".