202220121020212 has 12 divisors (see below), whose sum is σ = 353995079927076. Its totient is φ = 101078669612480.

The previous prime is 202220121020207. The next prime is 202220121020303. The reversal of 202220121020212 is 212020121022202.

It can be written as a sum of positive squares in 2 ways, for example, as 187735048302736 + 14485072717476 = 13701644^2 + 3805926^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202220121020212.

It is a congruent number.

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, 7847709913 + ... + 7847735680.

It is an arithmetic number, because the mean of its divisors is an integer number (29499589993923).

Almost surely, 2^{202220121020212} is an apocalyptic number.

It is an amenable number.

202220121020212 is a deficient number, since it is larger than the sum of its proper divisors (151774958906864).

202220121020212 is a wasteful number, since it uses less digits than its factorization.

202220121020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15695448818 (or 15695448816 counting only the distinct ones).

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

Adding to 202220121020212 its reverse (212020121022202), we get a palindrome (414240242042414).

The spelling of 202220121020212 in words is "two hundred two trillion, two hundred twenty billion, one hundred twenty-one million, twenty thousand, two hundred twelve".