1212200012203 has 4 divisors (see below), whose sum is σ = 1212204688288. Its totient is φ = 1212195336120.

The previous prime is 1212200012201. The next prime is 1212200012213. The reversal of 1212200012203 is 3022100022121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1212200012203 - 2¹ = 1212200012201 is a prime.

It is a super-3 number, since 3×1212200012203³ (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 (1212200012201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924851 + ... + 2475772.

It is an arithmetic number, because the mean of its divisors is an integer number (303051172072).

Almost surely, 2^{1212200012203} is an apocalyptic number.

1212200012203 is a deficient number, since it is larger than the sum of its proper divisors (4676085).

1212200012203 is an equidigital number, since it uses as much as digits as its factorization.

1212200012203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4676084.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1212200012203 its reverse (3022100022121), we get a palindrome (4234300034324).

The spelling of 1212200012203 in words is "one trillion, two hundred twelve billion, two hundred million, twelve thousand, two hundred three".