1234012545455 has 8 divisors (see below), whose sum is σ = 1528583282304. Its totient is φ = 955364551200.

The previous prime is 1234012545421. The next prime is 1234012545523. The reversal of 1234012545455 is 5545452104321.

It is a happy number.

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

It is not a de Polignac number, because 1234012545455 - 2¹⁰ = 1234012544431 is a prime.

It is a Duffinian number.

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, 3980685476 + ... + 3980685785.

It is an arithmetic number, because the mean of its divisors is an integer number (191072910288).

Almost surely, 2^{1234012545455} is an apocalyptic number.

1234012545455 is a deficient number, since it is larger than the sum of its proper divisors (294570736849).

1234012545455 is an equidigital number, since it uses as much as digits as its factorization.

1234012545455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7961371297.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 1234012545455 its reverse (5545452104321), we get a palindrome (6779464649776).

The spelling of 1234012545455 in words is "one trillion, two hundred thirty-four billion, twelve million, five hundred forty-five thousand, four hundred fifty-five".