12123536154022 has 8 divisors (see below), whose sum is σ = 18186443780400. Its totient is φ = 6061388227224.

The previous prime is 12123536154007. The next prime is 12123536154031. The reversal of 12123536154022 is 22045163532121.

It is a happy number.

12123536154022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189884997 + ... + 189948832.

It is an arithmetic number, because the mean of its divisors is an integer number (2273305472550).

Almost surely, 2^{12123536154022} is an apocalyptic number.

12123536154022 is a deficient number, since it is larger than the sum of its proper divisors (6062907626378).

12123536154022 is a wasteful number, since it uses less digits than its factorization.

12123536154022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379849790.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 12123536154022 its reverse (22045163532121), we get a palindrome (34168699686143).

The spelling of 12123536154022 in words is "twelve trillion, one hundred twenty-three billion, five hundred thirty-six million, one hundred fifty-four thousand, twenty-two".