1201020112212 has 48 divisors (see below), whose sum is σ = 2966433032640. Its totient is φ = 377546012928.

The previous prime is 1201020112211. The next prime is 1201020112307. The reversal of 1201020112212 is 2122110201021.

It is a junction number, because it is equal to n+sod(n) for n = 1201020112191 and 1201020112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201020112211) 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, 40115353 + ... + 40145280.

It is an arithmetic number, because the mean of its divisors is an integer number (61800688180).

Almost surely, 2^{1201020112212} is an apocalyptic number.

1201020112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201020112212 is an abundant number, since it is smaller than the sum of its proper divisors (1765412920428).

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

1201020112212 is a wasteful number, since it uses less digits than its factorization.

1201020112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80260712 (or 80260710 counting only the distinct ones).

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

Adding to 1201020112212 its reverse (2122110201021), we get a palindrome (3323130313233).

The spelling of 1201020112212 in words is "one trillion, two hundred one billion, twenty million, one hundred twelve thousand, two hundred twelve".