121201222120212 has 48 divisors (see below), whose sum is σ = 304577331531200. Its totient is φ = 37290184005888.

The previous prime is 121201222120163. The next prime is 121201222120229. The reversal of 121201222120212 is 212021222102121.

It is a super-2 number, since 2×121201222120212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 23703337 + ... + 28359312.

Almost surely, 2^{121201222120212} is an apocalyptic number.

121201222120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121201222120212 is an abundant number, since it is smaller than the sum of its proper divisors (183376109410988).

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

121201222120212 is a wasteful number, since it uses less digits than its factorization.

121201222120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52077592 (or 52077590 counting only the distinct ones).

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

Adding to 121201222120212 its reverse (212021222102121), we get a palindrome (333222444222333).

The spelling of 121201222120212 in words is "one hundred twenty-one trillion, two hundred one billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twelve".