1221202203299 has 8 divisors (see below), whose sum is σ = 1315843768512. Its totient is φ = 1126661057280.

The previous prime is 1221202203281. The next prime is 1221202203307. The reversal of 1221202203299 is 9923022021221.

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

It is a cyclic number.

It is not a de Polignac number, because 1221202203299 - 2¹⁶ = 1221202137763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1221202203259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25079534 + ... + 25128179.

It is an arithmetic number, because the mean of its divisors is an integer number (164480471064).

Almost surely, 2^{1221202203299} is an apocalyptic number.

1221202203299 is a deficient number, since it is larger than the sum of its proper divisors (94641565213).

1221202203299 is a wasteful number, since it uses less digits than its factorization.

1221202203299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50209597.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 1221202203299 in words is "one trillion, two hundred twenty-one billion, two hundred two million, two hundred three thousand, two hundred ninety-nine".