1200120010 has 8 divisors (see below), whose sum is σ = 2160216036. Its totient is φ = 480048000.

The previous prime is 1200120007. The next prime is 1200120011. The reversal of 1200120010 is 100210021.

It can be written as a sum of positive squares in 2 ways, for example, as 1113089769 + 87030241 = 33363^2 + 9329^2 .

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 = 1200119975 and 1200120002.

It is not an unprimeable number, because it can be changed into a prime (1200120011) 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, 60005991 + ... + 60006010.

Almost surely, 2^1200120010 is an apocalyptic number.

1200120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200120010 is a deficient number, since it is larger than the sum of its proper divisors (960096026).

1200120010 is a wasteful number, since it uses less digits than its factorization.

1200120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120012008.

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

The square root of 1200120010 is about 34642.7483032164. The cubic root of 1200120010 is about 1062.6939929059.

Adding to 1200120010 its reverse (100210021), we get a palindrome (1300330031).

The spelling of 1200120010 in words is "one billion, two hundred million, one hundred twenty thousand, ten".