1200253243231 has 32 divisors (see below), whose sum is σ = 1398774758400. Its totient is φ = 1008595203840.

The previous prime is 1200253243207. The next prime is 1200253243249. The reversal of 1200253243231 is 1323423520021.

It is a happy number.

It is not a de Polignac number, because 1200253243231 - 2¹⁵ = 1200253210463 is a prime.

It is a super-2 number, since 2×1200253243231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200253243231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200253243261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289006651 + ... + 289010803.

It is an arithmetic number, because the mean of its divisors is an integer number (43711711200).

Almost surely, 2^{1200253243231} is an apocalyptic number.

1200253243231 is a deficient number, since it is larger than the sum of its proper divisors (198521515169).

1200253243231 is a wasteful number, since it uses less digits than its factorization.

1200253243231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5959.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 1200253243231 its reverse (1323423520021), we get a palindrome (2523676763252).

The spelling of 1200253243231 in words is "one trillion, two hundred billion, two hundred fifty-three million, two hundred forty-three thousand, two hundred thirty-one".