1244426021201 has 8 divisors (see below), whose sum is σ = 1429005957600. Its totient is φ = 1071754467840.

The previous prime is 1244426021149. The next prime is 1244426021231. The reversal of 1244426021201 is 1021206244421.

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 not a de Polignac number, because 1244426021201 - 2³⁸ = 969548114257 is a prime.

It is a super-2 number, since 2×1244426021201² (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 (1244426021231) 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, 2977095536 + ... + 2977095953.

It is an arithmetic number, because the mean of its divisors is an integer number (178625744700).

Almost surely, 2^{1244426021201} is an apocalyptic number.

1244426021201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1244426021201 is a deficient number, since it is larger than the sum of its proper divisors (184579936399).

1244426021201 is a wasteful number, since it uses less digits than its factorization.

1244426021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5954191519.

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

The spelling of 1244426021201 in words is "one trillion, two hundred forty-four billion, four hundred twenty-six million, twenty-one thousand, two hundred one".