1200028100002 has 32 divisors (see below), whose sum is σ = 1849779929088. Its totient is φ = 583595319696.

The previous prime is 1200028099979. The next prime is 1200028100083. The reversal of 1200028100002 is 2000018200021.

It is a super-2 number, since 2×1200028100002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113130183 + ... + 113140789.

It is an arithmetic number, because the mean of its divisors is an integer number (57805622784).

Almost surely, 2^{1200028100002} is an apocalyptic number.

1200028100002 is a deficient number, since it is larger than the sum of its proper divisors (649751829086).

1200028100002 is a wasteful number, since it uses less digits than its factorization.

1200028100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18030.

The product of its (nonzero) digits is 64, while the sum is 16.

The spelling of 1200028100002 in words is "one trillion, two hundred billion, twenty-eight million, one hundred thousand, two".