1213141345 has 16 divisors (see below), whose sum is σ = 1574677440. Its totient is φ = 891900864.

The previous prime is 1213141331. The next prime is 1213141361. The reversal of 1213141345 is 5431413121.

1213141345 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1213141345 - 2⁹ = 1213140833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26355 + ... + 55864.

It is an arithmetic number, because the mean of its divisors is an integer number (98417340).

Almost surely, 2^1213141345 is an apocalyptic number.

It is an amenable number.

1213141345 is a deficient number, since it is larger than the sum of its proper divisors (361536095).

1213141345 is a wasteful number, since it uses less digits than its factorization.

1213141345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82464.

The product of its digits is 1440, while the sum is 25.

The square root of 1213141345 is about 34830.1786530015. The cubic root of 1213141345 is about 1066.5235953399.

Adding to 1213141345 its reverse (5431413121), we get a palindrome (6644554466).

The spelling of 1213141345 in words is "one billion, two hundred thirteen million, one hundred forty-one thousand, three hundred forty-five".