1453212111303 has 20 divisors (see below), whose sum is σ = 2171924241520. Its totient is φ = 968327644032.

The previous prime is 1453212111289. The next prime is 1453212111313. The reversal of 1453212111303 is 3031112123541.

1453212111303 is a `hidden beast` number, since 1 + 4 + 5 + 321 + 21 + 11 + 303 = 666.

It is not a de Polignac number, because 1453212111303 - 2⁴ = 1453212111287 is a prime.

It is a super-3 number, since 3×1453212111303³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453212111313) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4284043 + ... + 4610796.

It is an arithmetic number, because the mean of its divisors is an integer number (108596212076).

Almost surely, 2^{1453212111303} is an apocalyptic number.

1453212111303 is a deficient number, since it is larger than the sum of its proper divisors (718712130217).

1453212111303 is an equidigital number, since it uses as much as digits as its factorization.

1453212111303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8896868 (or 8896859 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 1453212111303 its reverse (3031112123541), we get a palindrome (4484324234844).

The spelling of 1453212111303 in words is "one trillion, four hundred fifty-three billion, two hundred twelve million, one hundred eleven thousand, three hundred three".