122120202021212 has 36 divisors (see below), whose sum is σ = 225594930369816. Its totient is φ = 57834955562400.

The previous prime is 122120202021197. The next prime is 122120202021221. The reversal of 122120202021212 is 212120202021221.

It is a super-3 number, since 3×122120202021212³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1078043 + ... + 15665330.

It is an arithmetic number, because the mean of its divisors is an integer number (6266525843606).

Almost surely, 2^{122120202021212} is an apocalyptic number.

It is an amenable number.

122120202021212 is a deficient number, since it is larger than the sum of its proper divisors (103474728348604).

122120202021212 is a wasteful number, since it uses less digits than its factorization.

122120202021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16748466 (or 16748445 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122120202021212 its reverse (212120202021221), we get a palindrome (334240404042433).

Subtracting 122120202021212 from its reverse (212120202021221), we obtain a palindrome (90000000000009).

The spelling of 122120202021212 in words is "one hundred twenty-two trillion, one hundred twenty billion, two hundred two million, twenty-one thousand, two hundred twelve".