1212120101199 has 8 divisors (see below), whose sum is σ = 1847040154240. Its totient is φ = 692640057816.

The previous prime is 1212120101147. The next prime is 1212120101261. The reversal of 1212120101199 is 9911010212121.

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

It is not a de Polignac number, because 1212120101199 - 2¹⁶ = 1212120035663 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 (1212120101099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28860002389 + ... + 28860002430.

It is an arithmetic number, because the mean of its divisors is an integer number (230880019280).

Almost surely, 2^{1212120101199} is an apocalyptic number.

1212120101199 is a deficient number, since it is larger than the sum of its proper divisors (634920053041).

1212120101199 is an equidigital number, since it uses as much as digits as its factorization.

1212120101199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57720004829.

The product of its (nonzero) digits is 648, while the sum is 30.

The spelling of 1212120101199 in words is "one trillion, two hundred twelve billion, one hundred twenty million, one hundred one thousand, one hundred ninety-nine".