12251120422 has 8 divisors (see below), whose sum is σ = 18558628272. Its totient is φ = 6064911000.

The previous prime is 12251120419. The next prime is 12251120429. The reversal of 12251120422 is 22402115221.

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

It is a junction number, because it is equal to n+sod(n) for n = 12251120393 and 12251120402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12251120429) 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, 30324354 + ... + 30324757.

It is an arithmetic number, because the mean of its divisors is an integer number (2319828534).

Almost surely, 2^12251120422 is an apocalyptic number.

12251120422 is a deficient number, since it is larger than the sum of its proper divisors (6307507850).

12251120422 is a wasteful number, since it uses less digits than its factorization.

12251120422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60649214.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 12251120422 its reverse (22402115221), we get a palindrome (34653235643).

The spelling of 12251120422 in words is "twelve billion, two hundred fifty-one million, one hundred twenty thousand, four hundred twenty-two".