1201422001200 has 60 divisors (see below), whose sum is σ = 3848555147688. Its totient is φ = 320379200000.

The previous prime is 1201422001193. The next prime is 1201422001211. The reversal of 1201422001200 is 21002241021.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1201422001200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500591301 + ... + 500593700.

Almost surely, 2^{1201422001200} is an apocalyptic number.

1201422001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201422001200 is an abundant number, since it is smaller than the sum of its proper divisors (2647133146488).

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

1201422001200 is a wasteful number, since it uses less digits than its factorization.

1201422001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001185022 (or 1001185011 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1201422001200 its reverse (21002241021), we get a palindrome (1222424242221).

The spelling of 1201422001200 in words is "one trillion, two hundred one billion, four hundred twenty-two million, one thousand, two hundred".