121020100000212 has 96 divisors (see below), whose sum is σ = 333817441888000. Its totient is φ = 34103511461376.

The previous prime is 121020100000181. The next prime is 121020100000231. The reversal of 121020100000212 is 212000001020121.

It is a super-2 number, since 2×121020100000212² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201085537 + ... + 201686472.

Almost surely, 2^{121020100000212} is an apocalyptic number.

121020100000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121020100000212 is an abundant number, since it is smaller than the sum of its proper divisors (212797341887788).

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

121020100000212 is a wasteful number, since it uses less digits than its factorization.

121020100000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402772110 (or 402772094 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121020100000212 its reverse (212000001020121), we get a palindrome (333020101020333).

The spelling of 121020100000212 in words is "one hundred twenty-one trillion, twenty billion, one hundred million, two hundred twelve", and thus it is an aban number.