121202021122212 has 24 divisors (see below), whose sum is σ = 284018470104096. Its totient is φ = 40227280257088.

The previous prime is 121202021122207. The next prime is 121202021122223. The reversal of 121202021122212 is 212221120202121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21674178378 + ... + 21674183969.

It is an arithmetic number, because the mean of its divisors is an integer number (11834102921004).

Almost surely, 2^{121202021122212} is an apocalyptic number.

121202021122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121202021122212 is an abundant number, since it is smaller than the sum of its proper divisors (162816448981884).

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

121202021122212 is a wasteful number, since it uses less digits than its factorization.

121202021122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43348362587 (or 43348362585 counting only the distinct ones).

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

Adding to 121202021122212 its reverse (212221120202121), we get a palindrome (333423141324333).

The spelling of 121202021122212 in words is "one hundred twenty-one trillion, two hundred two billion, twenty-one million, one hundred twenty-two thousand, two hundred twelve".