1201876728162 has 24 divisors (see below), whose sum is σ = 2642142230448. Its totient is φ = 364205068920.

The previous prime is 1201876728097. The next prime is 1201876728167. The reversal of 1201876728162 is 2618276781021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1201876728167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 827738068 + ... + 827739519.

It is an arithmetic number, because the mean of its divisors is an integer number (110089259602).

Almost surely, 2^{1201876728162} is an apocalyptic number.

1201876728162 is an abundant number, since it is smaller than the sum of its proper divisors (1440265502286).

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

1201876728162 is a wasteful number, since it uses less digits than its factorization.

1201876728162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655477614 (or 1655477603 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 51.

The spelling of 1201876728162 in words is "one trillion, two hundred one billion, eight hundred seventy-six million, seven hundred twenty-eight thousand, one hundred sixty-two".