121002112212 has 48 divisors (see below), whose sum is σ = 292148270400. Its totient is φ = 38933314560.

The previous prime is 121002112211. The next prime is 121002112277. The reversal of 121002112212 is 212211200121.

121002112212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121002112212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121002112191 and 121002112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002112211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1394787 + ... + 1478997.

It is an arithmetic number, because the mean of its divisors is an integer number (6086422300).

Almost surely, 2^121002112212 is an apocalyptic number.

121002112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121002112212 is an abundant number, since it is smaller than the sum of its proper divisors (171146158188).

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

121002112212 is a wasteful number, since it uses less digits than its factorization.

121002112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88376 (or 88374 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121002112212 its reverse (212211200121), we get a palindrome (333213312333).

The spelling of 121002112212 in words is "one hundred twenty-one billion, two million, one hundred twelve thousand, two hundred twelve".