1201454467444 has 96 divisors (see below), whose sum is σ = 2728280604672. Its totient is φ = 452998735200.

The previous prime is 1201454467429. The next prime is 1201454467453. The reversal of 1201454467444 is 4447644541021.

It is a super-2 number, since 2×1201454467444² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201454467394 and 1201454467403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 635337 + ... + 1675279.

It is an arithmetic number, because the mean of its divisors is an integer number (28419589632).

Almost surely, 2^{1201454467444} is an apocalyptic number.

1201454467444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201454467444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364140302336).

1201454467444 is an abundant number, since it is smaller than the sum of its proper divisors (1526826137228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201454467444 is a wasteful number, since it uses less digits than its factorization.

1201454467444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040018 (or 1039994 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 46.

The spelling of 1201454467444 in words is "one trillion, two hundred one billion, four hundred fifty-four million, four hundred sixty-seven thousand, four hundred forty-four".