1201285345892 has 48 divisors (see below), whose sum is σ = 2243945918592. Its totient is φ = 560741491200.

The previous prime is 1201285345877. The next prime is 1201285345961. The reversal of 1201285345892 is 2985435821021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201285345892.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6927398 + ... + 7098690.

It is an arithmetic number, because the mean of its divisors is an integer number (46748873304).

Almost surely, 2^{1201285345892} is an apocalyptic number.

It is an amenable number.

1201285345892 is a deficient number, since it is larger than the sum of its proper divisors (1042660572700).

1201285345892 is a wasteful number, since it uses less digits than its factorization.

1201285345892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172148 (or 172146 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 50.

The spelling of 1201285345892 in words is "one trillion, two hundred one billion, two hundred eighty-five million, three hundred forty-five thousand, eight hundred ninety-two".