1202212121122 has 8 divisors (see below), whose sum is σ = 1909395721836. Its totient is φ = 565746880512.

The previous prime is 1202212121069. The next prime is 1202212121153. The reversal of 1202212121122 is 2211212122021.

It can be written as a sum of positive squares in 2 ways, for example, as 1185766367041 + 16445754081 = 1088929^2 + 128241^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1202212121122.

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, 17679589983 + ... + 17679590050.

Almost surely, 2^{1202212121122} is an apocalyptic number.

1202212121122 is a deficient number, since it is larger than the sum of its proper divisors (707183600714).

1202212121122 is a wasteful number, since it uses less digits than its factorization.

1202212121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35359180052.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1202212121122 its reverse (2211212122021), we get a palindrome (3413424243143).

The spelling of 1202212121122 in words is "one trillion, two hundred two billion, two hundred twelve million, one hundred twenty-one thousand, one hundred twenty-two".