1206381321862 has 16 divisors (see below), whose sum is σ = 1811582276400. Its totient is φ = 602520938208.

The previous prime is 1206381321787. The next prime is 1206381321863. The reversal of 1206381321862 is 2681231836021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206381321863) 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, 6466264 + ... + 6650212.

It is an arithmetic number, because the mean of its divisors is an integer number (113223892275).

Almost surely, 2^{1206381321862} is an apocalyptic number.

1206381321862 is a deficient number, since it is larger than the sum of its proper divisors (605200954538).

1206381321862 is a wasteful number, since it uses less digits than its factorization.

1206381321862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187575.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 1206381321862 in words is "one trillion, two hundred six billion, three hundred eighty-one million, three hundred twenty-one thousand, eight hundred sixty-two".