1212101206 has 8 divisors (see below), whose sum is σ = 1827381600. Its totient is φ = 602974008.

The previous prime is 1212101201. The next prime is 1212101237. The reversal of 1212101206 is 6021012121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1212101206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212101201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537806 + ... + 1538593.

It is an arithmetic number, because the mean of its divisors is an integer number (228422700).

Almost surely, 2^1212101206 is an apocalyptic number.

1212101206 is a deficient number, since it is larger than the sum of its proper divisors (615280394).

1212101206 is a wasteful number, since it uses less digits than its factorization.

1212101206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076598.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1212101206 is about 34815.2438739125. The cubic root of 1212101206 is about 1066.2186981992.

Adding to 1212101206 its reverse (6021012121), we get a palindrome (7233113327).

The spelling of 1212101206 in words is "one billion, two hundred twelve million, one hundred one thousand, two hundred six".