1213052341203 has 16 divisors (see below), whose sum is σ = 1800774710400. Its totient is φ = 807054501960.

The previous prime is 1213052341199. The next prime is 1213052341211. The reversal of 1213052341203 is 3021432503121.

1213052341203 is a `hidden beast` number, since 1 + 2 + 1 + 305 + 234 + 120 + 3 = 666.

It is not a de Polignac number, because 1213052341203 - 2² = 1213052341199 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1213052341603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45738133 + ... + 45764646.

It is an arithmetic number, because the mean of its divisors is an integer number (112548419400).

Almost surely, 2^{1213052341203} is an apocalyptic number.

1213052341203 is a deficient number, since it is larger than the sum of its proper divisors (587722369197).

1213052341203 is an equidigital number, since it uses as much as digits as its factorization.

1213052341203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91503279 (or 91503273 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 1213052341203 its reverse (3021432503121), we get a palindrome (4234484844324).

The spelling of 1213052341203 in words is "one trillion, two hundred thirteen billion, fifty-two million, three hundred forty-one thousand, two hundred three".