1204221109999 has 16 divisors (see below), whose sum is σ = 1299352362880. Its totient is φ = 1112357927520.

The previous prime is 1204221109981. The next prime is 1204221110033. The reversal of 1204221109999 is 9999011224021.

It is not a de Polignac number, because 1204221109999 - 2²¹ = 1204219012847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204221109939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824172 + ... + 1757185.

It is an arithmetic number, because the mean of its divisors is an integer number (81209522680).

Almost surely, 2^{1204221109999} is an apocalyptic number.

1204221109999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1204221109999 is a deficient number, since it is larger than the sum of its proper divisors (95131252881).

1204221109999 is a wasteful number, since it uses less digits than its factorization.

1204221109999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581990.

The product of its (nonzero) digits is 209952, while the sum is 49.

The spelling of 1204221109999 in words is "one trillion, two hundred four billion, two hundred twenty-one million, one hundred nine thousand, nine hundred ninety-nine".