1206661321262 has 8 divisors (see below), whose sum is σ = 1872405498600. Its totient is φ = 582526155064.

The previous prime is 1206661321249. The next prime is 1206661321297. The reversal of 1206661321262 is 2621231666021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10402252712 + ... + 10402252827.

It is an arithmetic number, because the mean of its divisors is an integer number (234050687325).

Almost surely, 2^{1206661321262} is an apocalyptic number.

1206661321262 is a deficient number, since it is larger than the sum of its proper divisors (665744177338).

1206661321262 is a wasteful number, since it uses less digits than its factorization.

1206661321262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20804505570.

The product of its (nonzero) digits is 62208, while the sum is 38.

Adding to 1206661321262 its reverse (2621231666021), we get a palindrome (3827892987283).

The spelling of 1206661321262 in words is "one trillion, two hundred six billion, six hundred sixty-one million, three hundred twenty-one thousand, two hundred sixty-two".