12122253903458 has 8 divisors (see below), whose sum is σ = 18183396529452. Its totient is φ = 6061121726976.

The previous prime is 12122253903457. The next prime is 12122253903509. The reversal of 12122253903458 is 85430935222121.

It can be written as a sum of positive squares in 2 ways, for example, as 10806913287769 + 1315340615689 = 3287387^2 + 1146883^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12122253903457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1734266 + ... + 5220362.

Almost surely, 2^{12122253903458} is an apocalyptic number.

12122253903458 is a deficient number, since it is larger than the sum of its proper divisors (6061142625994).

12122253903458 is a wasteful number, since it uses less digits than its factorization.

12122253903458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5224756.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 12122253903458 in words is "twelve trillion, one hundred twenty-two billion, two hundred fifty-three million, nine hundred three thousand, four hundred fifty-eight".