1200440021241 has 8 divisors (see below), whose sum is σ = 1610406245920. Its totient is φ = 795383572032.

The previous prime is 1200440021237. The next prime is 1200440021251. The reversal of 1200440021241 is 1421200440021.

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

It is not a de Polignac number, because 1200440021241 - 2² = 1200440021237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200440021251) 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, 1227443296 + ... + 1227444273.

It is an arithmetic number, because the mean of its divisors is an integer number (201300780740).

Almost surely, 2^{1200440021241} is an apocalyptic number.

It is an amenable number.

1200440021241 is a deficient number, since it is larger than the sum of its proper divisors (409966224679).

1200440021241 is a wasteful number, since it uses less digits than its factorization.

1200440021241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454887735.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1200440021241 its reverse (1421200440021), we get a palindrome (2621640461262).

The spelling of 1200440021241 in words is "one trillion, two hundred billion, four hundred forty million, twenty-one thousand, two hundred forty-one".