1233531213045 has 8 divisors (see below), whose sum is σ = 1973649940896. Its totient is φ = 657883313616.

The previous prime is 1233531212959. The next prime is 1233531213053. The reversal of 1233531213045 is 5403121353321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1233531213045 - 2¹⁹ = 1233530688757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1233531212997 and 1233531213015.

It is a congruent number.

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, 41117707087 + ... + 41117707116.

It is an arithmetic number, because the mean of its divisors is an integer number (246706242612).

Almost surely, 2^{1233531213045} is an apocalyptic number.

1233531213045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1233531213045 is a deficient number, since it is larger than the sum of its proper divisors (740118727851).

1233531213045 is an equidigital number, since it uses as much as digits as its factorization.

1233531213045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82235414211.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 1233531213045 its reverse (5403121353321), we get a palindrome (6636652566366).

The spelling of 1233531213045 in words is "one trillion, two hundred thirty-three billion, five hundred thirty-one million, two hundred thirteen thousand, forty-five".