126221104361222 has 16 divisors (see below), whose sum is σ = 203897315543040. Its totient is φ = 58255412771712.

The previous prime is 126221104361179. The next prime is 126221104361281. The reversal of 126221104361222 is 222163401122621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16848947 + ... + 23158782.

It is an arithmetic number, because the mean of its divisors is an integer number (12743582221440).

Almost surely, 2^{126221104361222} is an apocalyptic number.

126221104361222 is a deficient number, since it is larger than the sum of its proper divisors (77676211181818).

126221104361222 is a wasteful number, since it uses less digits than its factorization.

126221104361222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40129087.

The product of its (nonzero) digits is 27648, while the sum is 35.

Adding to 126221104361222 its reverse (222163401122621), we get a palindrome (348384505483843).

The spelling of 126221104361222 in words is "one hundred twenty-six trillion, two hundred twenty-one billion, one hundred four million, three hundred sixty-one thousand, two hundred twenty-two".