12342020155 has 8 divisors (see below), whose sum is σ = 14812351200. Its totient is φ = 9872331456.

The previous prime is 12342020143. The next prime is 12342020167. The reversal of 12342020155 is 55102024321.

It is an interprime number because it is at equal distance from previous prime (12342020143) and next prime (12342020167).

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

It is a cyclic number.

It is not a de Polignac number, because 12342020155 - 2¹⁵ = 12341987387 is a prime.

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, 117250 + ... + 196039.

It is an arithmetic number, because the mean of its divisors is an integer number (1851543900).

Almost surely, 2^12342020155 is an apocalyptic number.

12342020155 is a deficient number, since it is larger than the sum of its proper divisors (2470331045).

12342020155 is an equidigital number, since it uses as much as digits as its factorization.

12342020155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321173.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 12342020155 its reverse (55102024321), we get a palindrome (67444044476).

The spelling of 12342020155 in words is "twelve billion, three hundred forty-two million, twenty thousand, one hundred fifty-five".