1222430042122 has 4 divisors (see below), whose sum is σ = 1833645063186. Its totient is φ = 611215021060.

The previous prime is 1222430042107. The next prime is 1222430042147. The reversal of 1222430042122 is 2212400342221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1184460012241 + 37970029881 = 1088329^2 + 194859^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305607510529 + ... + 305607510532.

Almost surely, 2^{1222430042122} is an apocalyptic number.

1222430042122 is a deficient number, since it is larger than the sum of its proper divisors (611215021064).

1222430042122 is an equidigital number, since it uses as much as digits as its factorization.

1222430042122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611215021063.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1222430042122 its reverse (2212400342221), we get a palindrome (3434830384343).

The spelling of 1222430042122 in words is "one trillion, two hundred twenty-two billion, four hundred thirty million, forty-two thousand, one hundred twenty-two".