1123212140313 has 4 divisors (see below), whose sum is σ = 1497616187088. Its totient is φ = 748808093540.

The previous prime is 1123212140293. The next prime is 1123212140333. The reversal of 1123212140313 is 3130412123211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1123212140293) and next prime (1123212140333).

It is a cyclic number.

It is not a de Polignac number, because 1123212140313 - 2⁶ = 1123212140249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123212140333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187202023383 + ... + 187202023388.

It is an arithmetic number, because the mean of its divisors is an integer number (374404046772).

Almost surely, 2^{1123212140313} is an apocalyptic number.

It is an amenable number.

1123212140313 is a deficient number, since it is larger than the sum of its proper divisors (374404046775).

1123212140313 is an equidigital number, since it uses as much as digits as its factorization.

1123212140313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374404046774.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1123212140313 its reverse (3130412123211), we get a palindrome (4253624263524).

The spelling of 1123212140313 in words is "one trillion, one hundred twenty-three billion, two hundred twelve million, one hundred forty thousand, three hundred thirteen".