121012201122012 has 72 divisors (see below), whose sum is σ = 322000173331200. Its totient is φ = 38213353417248.

The previous prime is 121012201121939. The next prime is 121012201122121. The reversal of 121012201122012 is 210221102210121.

121012201122012 is a `hidden beast` number, since 1 + 210 + 1 + 220 + 1 + 1 + 220 + 12 = 666.

121012201122012 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23326189 + ... + 28038107.

It is an arithmetic number, because the mean of its divisors is an integer number (4472224629600).

Almost surely, 2^{121012201122012} is an apocalyptic number.

121012201122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121012201122012 is an abundant number, since it is smaller than the sum of its proper divisors (200987972209188).

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

121012201122012 is a wasteful number, since it uses less digits than its factorization.

121012201122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749495 (or 4749490 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121012201122012 its reverse (210221102210121), we get a palindrome (331233303332133).

The spelling of 121012201122012 in words is "one hundred twenty-one trillion, twelve billion, two hundred one million, one hundred twenty-two thousand, twelve".