1211224120422 has 16 divisors (see below), whose sum is σ = 2423612344752. Its totient is φ = 403547356160.

The previous prime is 1211224120321. The next prime is 1211224120523. The reversal of 1211224120422 is 2240214221121.

It is an interprime number because it is at equal distance from previous prime (1211224120321) and next prime (1211224120523).

It is a junction number, because it is equal to n+sod(n) for n = 1211224120392 and 1211224120401.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 48490803 + ... + 48515774.

It is an arithmetic number, because the mean of its divisors is an integer number (151475771547).

Almost surely, 2^{1211224120422} is an apocalyptic number.

1211224120422 is an abundant number, since it is smaller than the sum of its proper divisors (1212388224330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211224120422 is a wasteful number, since it uses less digits than its factorization.

1211224120422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97008663.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1211224120422 its reverse (2240214221121), we get a palindrome (3451438341543).

The spelling of 1211224120422 in words is "one trillion, two hundred eleven billion, two hundred twenty-four million, one hundred twenty thousand, four hundred twenty-two".