1212122202022 has 4 divisors (see below), whose sum is σ = 1818183303036. Its totient is φ = 606061101010.

The previous prime is 1212122202013. The next prime is 1212122202023. The reversal of 1212122202022 is 2202022212121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212122202023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303030550504 + ... + 303030550507.

It is an arithmetic number, because the mean of its divisors is an integer number (454545825759).

Almost surely, 2^{1212122202022} is an apocalyptic number.

1212122202022 is a deficient number, since it is larger than the sum of its proper divisors (606061101014).

1212122202022 is an equidigital number, since it uses as much as digits as its factorization.

1212122202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606061101013.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1212122202022 its reverse (2202022212121), we get a palindrome (3414144414143).

The spelling of 1212122202022 in words is "one trillion, two hundred twelve billion, one hundred twenty-two million, two hundred two thousand, twenty-two".