121010220222012 has 36 divisors (see below), whose sum is σ = 333694849704216. Its totient is φ = 36669763703520.

The previous prime is 121010220221999. The next prime is 121010220222191. The reversal of 121010220222012 is 210222022010121.

It is a happy number.

121010220222012 is a `hidden beast` number, since 1 + 210 + 1 + 0 + 220 + 2 + 220 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152790681703 + ... + 152790682494.

Almost surely, 2^{121010220222012} is an apocalyptic number.

121010220222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121010220222012 is an abundant number, since it is smaller than the sum of its proper divisors (212684629482204).

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

121010220222012 is a wasteful number, since it uses less digits than its factorization.

121010220222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305581364218 (or 305581364213 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 121010220222012 its reverse (210222022010121), we get a palindrome (331232242232133).

It can be divided in two parts, 121010 and 220222012, that added together give a palindrome (220343022).

The spelling of 121010220222012 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty million, two hundred twenty-two thousand, twelve".