1200010120010 has 32 divisors (see below), whose sum is σ = 2326456051920. Its totient is φ = 443026833408.

The previous prime is 1200010119941. The next prime is 1200010120021. The reversal of 1200010120010 is 100210100021.

It can be written as a sum of positive squares in 8 ways, for example, as 563140682329 + 636869437681 = 750427^2 + 798041^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1200010120010.

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, 521546 + ... + 1634634.

Almost surely, 2^{1200010120010} is an apocalyptic number.

1200010120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200010120010 is a deficient number, since it is larger than the sum of its proper divisors (1126445931910).

1200010120010 is a wasteful number, since it uses less digits than its factorization.

1200010120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121402.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1200010120010 its reverse (100210100021), we get a palindrome (1300220220031).

The spelling of 1200010120010 in words is "one trillion, two hundred billion, ten million, one hundred twenty thousand, ten".