20120212033200 has 360 divisors, whose sum is σ = 70636611333600. Its totient is φ = 5303049523200.

The previous prime is 20120212033199. The next prime is 20120212033211. The reversal of 20120212033200 is 233021202102.

20120212033200 is a `hidden beast` number, since 2 + 0 + 120 + 21 + 203 + 320 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 193134726 + ... + 193238874.

It is an arithmetic number, because the mean of its divisors is an integer number (196212809260).

Almost surely, 2^{20120212033200} is an apocalyptic number.

20120212033200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20120212033200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35318305666800).

20120212033200 is an abundant number, since it is smaller than the sum of its proper divisors (50516399300400).

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

20120212033200 is a wasteful number, since it uses less digits than its factorization.

20120212033200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104797 (or 104783 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20120212033200 its reverse (233021202102), we get a palindrome (20353233235302).

The spelling of 20120212033200 in words is "twenty trillion, one hundred twenty billion, two hundred twelve million, thirty-three thousand, two hundred".