1201204154443 has 8 divisors (see below), whose sum is σ = 1202569486976. Its totient is φ = 1199839132800.

The previous prime is 1201204154417. The next prime is 1201204154467. The reversal of 1201204154443 is 3444514021021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201204154443 is a prime.

It is a super-2 number, since 2×1201204154443² (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 (1201204151443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8145283 + ... + 8291443.

It is an arithmetic number, because the mean of its divisors is an integer number (150321185872).

Almost surely, 2^{1201204154443} is an apocalyptic number.

1201204154443 is a deficient number, since it is larger than the sum of its proper divisors (1365332533).

1201204154443 is an equidigital number, since it uses as much as digits as its factorization.

1201204154443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155445.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 1201204154443 its reverse (3444514021021), we get a palindrome (4645718175464).

The spelling of 1201204154443 in words is "one trillion, two hundred one billion, two hundred four million, one hundred fifty-four thousand, four hundred forty-three".