1200002001002 has 16 divisors (see below), whose sum is σ = 2057332400640. Its totient is φ = 514240043568.

The previous prime is 1200002000999. The next prime is 1200002001047. The reversal of 1200002001002 is 2001002000021.

It is a super-3 number, since 3×1200002001002³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3716858 + ... + 4026789.

It is an arithmetic number, because the mean of its divisors is an integer number (128583275040).

Almost surely, 2^{1200002001002} is an apocalyptic number.

1200002001002 is a deficient number, since it is larger than the sum of its proper divisors (857330399638).

1200002001002 is a wasteful number, since it uses less digits than its factorization.

1200002001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7754725.

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

Adding to 1200002001002 its reverse (2001002000021), we get a palindrome (3201004001023).

The spelling of 1200002001002 in words is "one trillion, two hundred billion, two million, one thousand, two".