12202121212122 has 32 divisors (see below), whose sum is σ = 25267475897280. Its totient is φ = 3923742690560.

The previous prime is 12202121212033. The next prime is 12202121212139. The reversal of 12202121212122 is 22121212120221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29946879 + ... + 30351602.

It is an arithmetic number, because the mean of its divisors is an integer number (789608621790).

Almost surely, 2^{12202121212122} is an apocalyptic number.

12202121212122 is an abundant number, since it is smaller than the sum of its proper divisors (13065354685158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12202121212122 is a wasteful number, since it uses less digits than its factorization.

12202121212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60299678.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12202121212122 its reverse (22121212120221), we get a palindrome (34323333332343).

The spelling of 12202121212122 in words is "twelve trillion, two hundred two billion, one hundred twenty-one million, two hundred twelve thousand, one hundred twenty-two".