1243212201422 has 8 divisors (see below), whose sum is σ = 1864863819072. Its totient is φ = 621590928400.

The previous prime is 1243212201403. The next prime is 1243212201463. The reversal of 1243212201422 is 2241022123421.

It is a happy number.

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 = 1243212201391 and 1243212201400.

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, 7483454 + ... + 7647777.

It is an arithmetic number, because the mean of its divisors is an integer number (233107977384).

Almost surely, 2^{1243212201422} is an apocalyptic number.

1243212201422 is a deficient number, since it is larger than the sum of its proper divisors (621651617650).

1243212201422 is a wasteful number, since it uses less digits than its factorization.

1243212201422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15172314.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1243212201422 its reverse (2241022123421), we get a palindrome (3484234324843).

The spelling of 1243212201422 in words is "one trillion, two hundred forty-three billion, two hundred twelve million, two hundred one thousand, four hundred twenty-two".