1000120010 has 32 divisors (see below), whose sum is σ = 1832788944. Its totient is φ = 392832000.

The previous prime is 1000120007. The next prime is 1000120021. The reversal of 1000120010 is 100210001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 19616041 + 980503969 = 4429^2 + 31313^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 1000119976 and 1000120003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536480 + ... + 538340.

Almost surely, 2^1000120010 is an apocalyptic number.

1000120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000120010 is a deficient number, since it is larger than the sum of its proper divisors (832668934).

1000120010 is a wasteful number, since it uses less digits than its factorization.

1000120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 1000120010 is about 31624.6740694667. The cubic root of 1000120010 is about 1000.0400017332.

Adding to 1000120010 its reverse (100210001), we get a palindrome (1100330011).

The spelling of 1000120010 in words is "one billion, one hundred twenty thousand, ten".