1201031233444 has 24 divisors (see below), whose sum is σ = 2410260648768. Its totient is φ = 512970918240.

The previous prime is 1201031233349. The next prime is 1201031233453. The reversal of 1201031233444 is 4443321301021.

It is a happy number.

It is a super-2 number, since 2×1201031233444² (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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73189702 + ... + 73206109.

It is an arithmetic number, because the mean of its divisors is an integer number (100427527032).

Almost surely, 2^{1201031233444} is an apocalyptic number.

1201031233444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1201031233444 is an abundant number, since it is smaller than the sum of its proper divisors (1209229415324).

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

1201031233444 is a wasteful number, since it uses less digits than its factorization.

1201031233444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146396115 (or 146396113 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1201031233444 its reverse (4443321301021), we get a palindrome (5644352534465).

The spelling of 1201031233444 in words is "one trillion, two hundred one billion, thirty-one million, two hundred thirty-three thousand, four hundred forty-four".