1206206506216 has 8 divisors (see below), whose sum is σ = 2261637199170. Its totient is φ = 603103253104.

The previous prime is 1206206506213. The next prime is 1206206506357. The reversal of 1206206506216 is 6126056026021.

It can be written as a sum of positive squares in only one way, i.e., 1141593950116 + 64612556100 = 1068454^2 + 254190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1206206506213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75387906631 + ... + 75387906646.

Almost surely, 2^{1206206506216} is an apocalyptic number.

It is an amenable number.

1206206506216 is a deficient number, since it is larger than the sum of its proper divisors (1055430692954).

1206206506216 is a wasteful number, since it uses less digits than its factorization.

1206206506216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150775813283 (or 150775813279 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 1206206506216 in words is "one trillion, two hundred six billion, two hundred six million, five hundred six thousand, two hundred sixteen".