1200102210203 has 32 divisors (see below), whose sum is σ = 1375374260736. Its totient is φ = 1037346766848.

The previous prime is 1200102210191. The next prime is 1200102210217. The reversal of 1200102210203 is 3020122010021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1200102210203 - 2⁴ = 1200102210187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200102210253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99397775 + ... + 99409847.

It is an arithmetic number, because the mean of its divisors is an integer number (42980445648).

Almost surely, 2^{1200102210203} is an apocalyptic number.

1200102210203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1200102210203 is a deficient number, since it is larger than the sum of its proper divisors (175272050533).

1200102210203 is a wasteful number, since it uses less digits than its factorization.

1200102210203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14343.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1200102210203 its reverse (3020122010021), we get a palindrome (4220224220224).

The spelling of 1200102210203 in words is "one trillion, two hundred billion, one hundred two million, two hundred ten thousand, two hundred three".