1201444412123 has 8 divisors (see below), whose sum is σ = 1216372054800. Its totient is φ = 1186527541248.

The previous prime is 1201444412059. The next prime is 1201444412153. The reversal of 1201444412123 is 3212144441021.

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

It is a cyclic number.

It is not a de Polignac number, because 1201444412123 - 2⁶ = 1201444412059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201444412153) 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, 2468378 + ... + 2914751.

It is an arithmetic number, because the mean of its divisors is an integer number (152046506850).

Almost surely, 2^{1201444412123} is an apocalyptic number.

1201444412123 is a deficient number, since it is larger than the sum of its proper divisors (14927642677).

1201444412123 is an equidigital number, since it uses as much as digits as its factorization.

1201444412123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385901.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1201444412123 its reverse (3212144441021), we get a palindrome (4413588853144).

The spelling of 1201444412123 in words is "one trillion, two hundred one billion, four hundred forty-four million, four hundred twelve thousand, one hundred twenty-three".