1200275863216 has 20 divisors (see below), whose sum is σ = 2327150606400. Its totient is φ = 599720868032.

The previous prime is 1200275863183. The next prime is 1200275863217. The reversal of 1200275863216 is 6123685720021.

It is not an unprimeable number, because it can be changed into a prime (1200275863217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26042731 + ... + 26088778.

It is an arithmetic number, because the mean of its divisors is an integer number (116357530320).

Almost surely, 2^{1200275863216} is an apocalyptic number.

1200275863216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1200275863216 is a deficient number, since it is larger than the sum of its proper divisors (1126874743184).

1200275863216 is a wasteful number, since it uses less digits than its factorization.

1200275863216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52132956 (or 52132950 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 1200275863216 in words is "one trillion, two hundred billion, two hundred seventy-five million, eight hundred sixty-three thousand, two hundred sixteen".