1202347381818 has 64 divisors (see below), whose sum is σ = 2702820887424. Its totient is φ = 353406336000.

The previous prime is 1202347381811. The next prime is 1202347381819. The reversal of 1202347381818 is 8181837432021.

It is not an unprimeable number, because it can be changed into a prime (1202347381811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 816043 + ... + 1752318.

It is an arithmetic number, because the mean of its divisors is an integer number (42231576366).

Almost surely, 2^{1202347381818} is an apocalyptic number.

1202347381818 is an abundant number, since it is smaller than the sum of its proper divisors (1500473505606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202347381818 is a wasteful number, since it uses less digits than its factorization.

1202347381818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568591.

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 1202347381818 in words is "one trillion, two hundred two billion, three hundred forty-seven million, three hundred eighty-one thousand, eight hundred eighteen".