1200102100203 has 8 divisors (see below), whose sum is σ = 1615671436288. Its totient is φ = 792300415464.

The previous prime is 1200102100159. The next prime is 1200102100261. The reversal of 1200102100203 is 3020012010021.

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

It is not a de Polignac number, because 1200102100203 - 2¹⁴ = 1200102083819 is a prime.

It is a super-3 number, since 3×1200102100203³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200102100283) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1941912475 + ... + 1941913092.

It is an arithmetic number, because the mean of its divisors is an integer number (201958929536).

Almost surely, 2^{1200102100203} is an apocalyptic number.

1200102100203 is a deficient number, since it is larger than the sum of its proper divisors (415569336085).

1200102100203 is a wasteful number, since it uses less digits than its factorization.

1200102100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883825673.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1200102100203 its reverse (3020012010021), we get a palindrome (4220114110224).

The spelling of 1200102100203 in words is "one trillion, two hundred billion, one hundred two million, one hundred thousand, two hundred three".