1200270228547 has 32 divisors (see below), whose sum is σ = 1403320343040. Its totient is φ = 1016439943680.

The previous prime is 1200270228481. The next prime is 1200270228667. The reversal of 1200270228547 is 7458220720021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200270228547 is a prime.

It is a super-2 number, since 2×1200270228547² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200270228247) 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, 4537354 + ... + 4794592.

It is an arithmetic number, because the mean of its divisors is an integer number (43853760720).

Almost surely, 2^{1200270228547} is an apocalyptic number.

1200270228547 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1200270228547 is a deficient number, since it is larger than the sum of its proper divisors (203050114493).

1200270228547 is a wasteful number, since it uses less digits than its factorization.

1200270228547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257803.

The product of its (nonzero) digits is 125440, while the sum is 40.

Adding to 1200270228547 its reverse (7458220720021), we get a palindrome (8658490948568).

The spelling of 1200270228547 in words is "one trillion, two hundred billion, two hundred seventy million, two hundred twenty-eight thousand, five hundred forty-seven".