1200138750418 has 8 divisors (see below), whose sum is σ = 1862284267980. Its totient is φ = 579377327760.

The previous prime is 1200138750407. The next prime is 1200138750443. The reversal of 1200138750418 is 8140578310021.

It can be written as a sum of positive squares in 2 ways, for example, as 1045982789289 + 154155961129 = 1022733^2 + 392627^2 .

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

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, 10346023653 + ... + 10346023768.

Almost surely, 2^{1200138750418} is an apocalyptic number.

1200138750418 is a deficient number, since it is larger than the sum of its proper divisors (662145517562).

1200138750418 is a wasteful number, since it uses less digits than its factorization.

1200138750418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20692047452.

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 1200138750418 in words is "one trillion, two hundred billion, one hundred thirty-eight million, seven hundred fifty thousand, four hundred eighteen".