202212112121020 has 12 divisors (see below), whose sum is σ = 424645435454184. Its totient is φ = 80884844848400.

The previous prime is 202212112121011. The next prime is 202212112121057. The reversal of 202212112121020 is 20121211212202.

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, 5055302803006 + ... + 5055302803045.

It is an arithmetic number, because the mean of its divisors is an integer number (35387119621182).

Almost surely, 2^{202212112121020} is an apocalyptic number.

202212112121020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202212112121020 is an abundant number, since it is smaller than the sum of its proper divisors (222433323333164).

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

202212112121020 is a wasteful number, since it uses less digits than its factorization.

202212112121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110605606060 (or 10110605606058 counting only the distinct ones).

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

Adding to 202212112121020 its reverse (20121211212202), we get a palindrome (222333323333222).

The spelling of 202212112121020 in words is "two hundred two trillion, two hundred twelve billion, one hundred twelve million, one hundred twenty-one thousand, twenty".