1207215650061 has 16 divisors (see below), whose sum is σ = 1826520134400. Its totient is φ = 787686806304.

The previous prime is 1207215650041. The next prime is 1207215650063. The reversal of 1207215650061 is 1600565127021.

1207215650061 is a `hidden beast` number, since 1 + 20 + 7 + 21 + 56 + 500 + 61 = 666.

It is not a de Polignac number, because 1207215650061 - 2³¹ = 1205068166413 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1207215649998 and 1207215650025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1207215650063) 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, 475655016 + ... + 475657553.

It is an arithmetic number, because the mean of its divisors is an integer number (114157508400).

Almost surely, 2^{1207215650061} is an apocalyptic number.

It is an amenable number.

1207215650061 is a deficient number, since it is larger than the sum of its proper divisors (619304484339).

1207215650061 is an equidigital number, since it uses as much as digits as its factorization.

1207215650061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951312625 (or 951312619 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 1207215650061 in words is "one trillion, two hundred seven billion, two hundred fifteen million, six hundred fifty thousand, sixty-one".