1199059416121 has 16 divisors (see below), whose sum is σ = 1398368646400. Its totient is φ = 1027729473120.

The previous prime is 1199059416119. The next prime is 1199059416167. The reversal of 1199059416121 is 1216149509911.

It is a happy number.

It is not a de Polignac number, because 1199059416121 - 2¹ = 1199059416119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1199059416421) 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 15 ways as a sum of consecutive naturals, for example, 15974140 + ... + 16049026.

It is an arithmetic number, because the mean of its divisors is an integer number (87398040400).

Almost surely, 2^{1199059416121} is an apocalyptic number.

It is an amenable number.

1199059416121 is a deficient number, since it is larger than the sum of its proper divisors (199309230279).

1199059416121 is an frugal number, since it uses more digits than its factorization.

1199059416121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121589 (or 121575 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 49.

The spelling of 1199059416121 in words is "one trillion, one hundred ninety-nine billion, fifty-nine million, four hundred sixteen thousand, one hundred twenty-one".