1201244042404 has 24 divisors (see below), whose sum is σ = 2431433729088. Its totient is φ = 508616237280.

The previous prime is 1201244042387. The next prime is 1201244042413. The reversal of 1201244042404 is 4042404421021.

It is a happy number.

It is a super-2 number, since 2×1201244042404² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258440887 + ... + 258445534.

It is an arithmetic number, because the mean of its divisors is an integer number (101309738712).

Almost surely, 2^{1201244042404} is an apocalyptic number.

1201244042404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1201244042404 is an abundant number, since it is smaller than the sum of its proper divisors (1230189686684).

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

1201244042404 is a wasteful number, since it uses less digits than its factorization.

1201244042404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516886515 (or 516886513 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 1201244042404 its reverse (4042404421021), we get a palindrome (5243648463425).

The spelling of 1201244042404 in words is "one trillion, two hundred one billion, two hundred forty-four million, forty-two thousand, four hundred four".