1221850032363 has 12 divisors (see below), whose sum is σ = 1821826571968. Its totient is φ = 788290343280.

The previous prime is 1221850032307. The next prime is 1221850032371. The reversal of 1221850032363 is 3632300581221.

1221850032363 is a `hidden beast` number, since 1 + 2 + 218 + 50 + 0 + 32 + 363 = 666.

It is not a de Polignac number, because 1221850032363 - 2²⁰ = 1221848983787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1221850032163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2189695120 + ... + 2189695677.

Almost surely, 2^{1221850032363} is an apocalyptic number.

1221850032363 is a deficient number, since it is larger than the sum of its proper divisors (599976539605).

1221850032363 is a wasteful number, since it uses less digits than its factorization.

1221850032363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379390834 (or 4379390831 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 1221850032363 in words is "one trillion, two hundred twenty-one billion, eight hundred fifty million, thirty-two thousand, three hundred sixty-three".